"Mike Epps Talks Repentance, the Appeal of the Film’s Spiritual Undertone, Working Opposite Anthony Mackie, and More". Interview with Sheila Roberts, collider.com. February 26, 2014.
Richard Whately (2010). “Elements of Rhetoric: Comprising an Analysis of the Laws of Moral Evidence and of Persuasion, with Rules for Argumentative Composition and Elocution”, p.1, SIU Press