William Goldman (2013). “The Princess Bride: An Illustrated Edition of S. Morgenstern's Classic Tale of True Love and High Adventure”, p.285, Houghton Mifflin Harcourt
Jay Abraham (2000). “Getting Everything You Can Out of All You've Got: 21 Ways You Can Out-Think, Out-Perform, and Out-Earn the Competition”, p.8, Farrar, Straus, and Giroux