Charan, R. (2008). What the Customer Wants You to Know. Penguin Group.
Chicagoスタイル(17版)引用形式Charan, Ram. What the Customer Wants You to Know. New Delhi: Penguin Group, 2008.
MLA(9版)引用形式Charan, Ram. What the Customer Wants You to Know. Penguin Group, 2008.
警告: この引用は必ずしも正確ではありません.