Discogs, Discogs artist-ID 90037, besøkt 9. oktober 2017[Hentet fra Wikidata]
independent.co.uk
Ian Burrell, «Pharrell Williams - profile: Happiness is his truth», publisert i The Independent, verkets språk engelsk, utgitt 30. mai 2014, besøkt 26. juli 2023, «Education: Princess Anne High School in Virginia Beach, where he met future Neptunes bandmate Chad Hugo. Northwestern University, dropping out after two years.»[Hentet fra Wikidata]
latimes.com
movies, Chris Lee Chris Lee is a former Los Angeles Times staff writer who covered; music; media; culture, Hollywood (1. juni 2008). «The cool part about being a N.E.R.D.». Los Angeles Times(engelsk). Besøkt 31. oktober 2021.