- ^ a b c Phil Wickham (August 6, 2013). "This Is Amazing Grace: Phil Wickham". Amazon.co.uk. Archived from the original on February 21, 2014. Retrieved February 21, 2014.
- ^ "Charts - Year End 2014". Billboard. Retrieved January 2, 2015.
- ^ "Bethel Music - For The Sake Of The World". Retrieved November 17, 2018.
- ^ "Phil Wickham – Chart history (Bubbling Under Hot 100)". Billboard. Retrieved April 10, 2018.
- ^ Billboard.biz (February 22, 2014). "Hot Christian Songs : February 22, 2014". Prometheus Global Media. Retrieved February 20, 2014.
- ^ Billboard.biz (March 8, 2014). "Christian AC Songs : March 8, 2014". Prometheus Global Media. Retrieved February 28, 2014.
- ^ Billboard.biz (March 15, 2014). "Christian Hot AC/CHR : March 15, 2014". Prometheus Global Media. Retrieved March 10, 2014.
- ^ Billboard.biz (March 1, 2014). "Christian Airplay : March 1, 2014". Prometheus Global Media. Retrieved February 20, 2014.
- ^ Billboard.biz (March 15, 2014). "Christian Airplay : March 15, 2014". Prometheus Global Media. Retrieved March 10, 2014.
- ^ Billboard.biz (February 22, 2014). "Christian Soft AC : February 22, 2014". Prometheus Global Media. Retrieved February 20, 2014.
- ^ "Hot Christian Songs - Year-End 2014 | Billboard". Billboard. Billboard-Hollywood Reporter Media Group. Retrieved July 28, 2018.
- ^ "Christian Airplay - Year-End 2014 | Billboard". Billboard. Billboard-Hollywood Reporter Media Group. Retrieved July 28, 2018.
- ^ "Christian AC Songs - Year-End 2014 | Billboard". Billboard. Billboard-Hollywood Reporter Media Group. Retrieved July 28, 2018.
- ^ "Hot Christian Songs – Decade-End 2010s". Billboard. Archived from the original on November 1, 2019. Retrieved October 31, 2019.
- ^ "American single certifications – Phil Wickham – This Is Amazing Grace". Recording Industry Association of America. Retrieved December 20, 2018.