APA-referens (7:e uppl.)

Charan, R. (2008). What the Customer Wants You to Know. Penguin Group.

Chicago-referens (17:e uppl.)

Charan, Ram. What the Customer Wants You to Know. New Delhi: Penguin Group, 2008.

MLA-referens (9:e uppl.)

Charan, Ram. What the Customer Wants You to Know. Penguin Group, 2008.