"Rupert Friend Talks Directing Short Film Debut 'Steve,' Starring Knightley and Firth". Interview with Maggie Lange, www.indiewire.com. September 26, 2012.
Kris Vallotton, Bill Johnson (2006). “The Supernatural Ways of Royalty: Discovering Your Rights and Privileges of Being a Son or Daughter of God”, p.11, Destiny Image Publishers