Jack Canfield, Mark Victor Hansen (2013). “Life Lessons for Mastering the Law of Attraction: 7 Essential Ingredients for Living a Prosperous Life”, p.181, Simon and Schuster
Jack Canfield, Mark Victor Hansen, Amy Newmark (2011). “Chicken Soup for the Soul: Preteens Talk: Inspiration and Support for Preteens from Kids Just Like Them”, p.349, Simon and Schuster