Leo Burnett (1961). “Communications of an Advertising Man: Selections from the Speeches, Articles, Memoranda, and Miscellaneous Writings of Leo Burnett”
"Director Robert Stromberg Talks MALEFICENT, Joining the Film, Finding the Look for the Title Character, Casting Angelina Jolie, and Editing the First Act". Interview, collider.com. May 31, 2014.
Leo Burnett (1961). “Communications of an Advertising Man: Selections from the Speeches, Articles, Memoranda, and Miscellaneous Writings of Leo Burnett”