Charan, R. (2008). What the Customer Wants You to Know. Penguin Group.
Cita Chicago Style (17a ed.)Charan, Ram. What the Customer Wants You to Know. New Delhi: Penguin Group, 2008.
Cita MLA (9a ed.)Charan, Ram. What the Customer Wants You to Know. Penguin Group, 2008.
Precaución: Estas citas no son 100% exactas.