APA aipamena

Charan, R. (2007). What the Customer Wants You to Know. Portfolio/Penguin.

Chicago Style aipamena

Charan, Ram. What the Customer Wants You to Know. Gururgram: Portfolio/Penguin, 2007.

MLA aipamena

Charan, Ram. What the Customer Wants You to Know. Portfolio/Penguin, 2007.