Harper, B. (2015). Skinny habits: The 6 secrets of thin people.
Cita Chicago Style (17a ed.)Harper, Bob. Skinny Habits: The 6 Secrets of Thin People. 2015.
Cita MLA (8a ed.)Harper, Bob. Skinny Habits: The 6 Secrets of Thin People. 2015.
Precaución: Estas citas no son 100% exactas.