Godin, S. (1999). Permission marketing: Strangers into friends into customers. Simon & Schuster.
Chicagoスタイル(17版)引用形式Godin, Seth. Permission Marketing: Strangers into Friends into Customers. London: Simon & Schuster, 1999.
MLA(9版)引用形式Godin, Seth. Permission Marketing: Strangers into Friends into Customers. Simon & Schuster, 1999.
警告: この引用は必ずしも正確ではありません.