Greg Griffin, «Scam Expert from CU Expertly Scammed», Denver Post, March 2, 2009, .
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George A. Kelly, The Psychology of Personal Constructs, vol. 1, A Theory of Personality (New York: Norton, 1955); Brian R. Little, Who Are You, Really? The Surprising Puzzle of Personality (New York: Simon & Schuster, 2017).
