Jack Valenti's comments on the Cable television industry in testimony to Congress (June 1974), as quoted in "What Jack Valenti Did for Hollywood" by Richard Corliss, content.time.com. April 27, 2007.
Banesh Hoffmann (1959). “The Strange Story of the Quantum: An Account for the General Reader of the Growth of the Ideas Underlying Our Present Atomic Knowledge”, p.4, Courier Corporation
"Ang Lee Talks LIFE OF PI, the Difficulty of Getting the Project Off the Ground, 3D as a New Artistic Form, Deleted Scenes and More". Interview with Steve 'Frosty' Weintraub, collider.com. October 3, 2012.