Chopra, D. (2009). The ultimate happiness prescription: 7 keys to joy and enlightenment. Harmony Books.
Cita Chicago Style (17a ed.)Chopra, Deepak. The Ultimate Happiness Prescription: 7 Keys to Joy and Enlightenment. New York: Harmony Books, 2009.
Cita MLA (8a ed.)Chopra, Deepak. The Ultimate Happiness Prescription: 7 Keys to Joy and Enlightenment. Harmony Books, 2009.
Precaución: Estas citas no son 100% exactas.