http://www.dagbladet.no/2012/12/16/kultur/musikk/ina_wroldsen/impossible/listetopp/24863239/
http://www.billboard.com/#/news/britney-spears-focused-on-new-album-1008064002.story
http://www.huffingtonpost.com/2012/12/31/britney-spears-new-album-working-hard_n_2388654.html
http://www.mtv.com/news/articles/1699502/britney-spears-new-music.jhtml
http://metro.co.uk/2012/12/31/britney-spears-confirms-work-on-inspiring-eighth-album-2-3333596/
http://music-mix.ew.com/2013/01/03/britney-spears-new-album/
http://www.capitalfm.com/artists/william/news/britney-spears-new-album/
http://www.mtv.com/news/articles/1700785/britney-spears-hit-boy-new-album.jhtml