Charan, R. (2007). What the Customer Wants You to Know. Portfolio/Penguin.
Chicagoスタイル(17版)引用形式Charan, Ram. What the Customer Wants You to Know. Gururgram: Portfolio/Penguin, 2007.
MLA(9版)引用形式Charan, Ram. What the Customer Wants You to Know. Portfolio/Penguin, 2007.
警告: この引用は必ずしも正確ではありません.