Florence Scovel Shinn, Laura Berman Fortgang (2015). “The Complete Game of Life and How to Play It: The Classic Text with Commentary, Study Questions, Action Items, and Much More”, p.41, Hampton Roads Publishing
Esther Hicks, Jerry Hicks (2010). “Money, and the Law of Attraction: Learning to Attract Wealth, Health, and Happiness: Easyread Large Edition”, p.1, ReadHowYouWant.com
Wallace D. Wattles (2015). “The Science of Being Great: Personal Self-Help Book of Wallace D. Wattles (Unabridged): From one of The New Thought pioneers, author of The Science of Getting Rich, The Science of Being Well, How to Get What You Want, Hellfire Harrison, How to Promote Yourself and A New Christ”, p.39, e-artnow