No named parameters
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.}}

{{Refideas}}

{{Refideas/sandbox}}

Small
{{Refideas|param1|param2|...|small=yes}}

{{Refideas}}

{{Refideas/sandbox}}

Collapsible, uncollapsed by default
{{Refideas|param1|param2|...|state=expanded}}

{{Refideas}}

{{Refideas/sandbox}}

Collapsible, explicitly not small
{{Refideas|param1|param2|...|small=no |state=expanded}}

{{Refideas}}

{{Refideas/sandbox}}

Collapsible, collapsed by default
{{Refideas|param1|param2|...|state=collapsed}}

{{Refideas}}

{{Refideas/sandbox}}

Small overrides collapsed
{{Refideas|param1|param2|...|small=yes |state=collapsed}}

{{Refideas}}

{{Refideas/sandbox}}

With comment
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia!}}

{{Refideas}}

{{Refideas/sandbox}}

With comment, small
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |small=yes}}

{{Refideas}}

{{Refideas/sandbox}}

With comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |state=expanded}}

{{Refideas}}

{{Refideas/sandbox}}

With comment, collapsible, default collapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |state=collapsed}}

{{Refideas}}

{{Refideas/sandbox}}

Free source
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0.}}

{{Refideas}}

{{Refideas/sandbox}}

Free source, small
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |small=yes}}

{{Refideas}}

{{Refideas/sandbox}}

Free source, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |state=expanded}}

{{Refideas}}

{{Refideas/sandbox}}

Free source, collapsible, default collapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |state=collapsed}}

{{Refideas}}

{{Refideas/sandbox}}

Free source, with comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0.}}

{{Refideas}}

{{Refideas/sandbox}}

Free source, with comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |state=expanded}}

{{Refideas}}

{{Refideas/sandbox}}

Used source
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|u1=[https://en.wikipedia.org/wiki/Main_Page Another free source].}}

{{Refideas}}

{{Refideas/sandbox}}

Used source, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|state=expanded |u1=[https://en.wikipedia.org/wiki/Main_Page Another free source].}}

{{Refideas}}

{{Refideas/sandbox}}

Used source, with comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |state=expanded |u1=[https://en.wikipedia.org/wiki/Main_Page Another free source].}}

{{Refideas}}

{{Refideas/sandbox}}

Used source, free source, with comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |state=expanded |u1=[https://en.wikipedia.org/wiki/Main_Page Another free source].}}

{{Refideas}}

{{Refideas/sandbox}}

Test case inside of a collapse box
Used source, free source, with comment, collapsible, default uncollapsed
{{Refideas|[https://en.wikipedia.org/wiki/Main_Page Main Page]. Wikipedia.|[https://en.wikipedia.org/wiki/Wikipedia:Featured_articles Featured Articles]. Wikipedia.
|comment=These sources are already on Wikipedia! |f1=[https://en.wikipedia.org/wiki/Wikipedia:Copyrights Some free source]. Cc-by-sa-3.0. |state=expanded |u1=[https://en.wikipedia.org/wiki/Main_Page Another free source].}}

{{Refideas}}

{{Refideas/sandbox}}