APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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