Keegan, W. J. (1997). Principles of global marketing. Prentice-Hall.
Chicagoスタイル(17版)引用形式Keegan, Warren J. Principles of Global Marketing. Upper Saddle River, New Jersey: Prentice-Hall, 1997.
MLA(9版)引用形式Keegan, Warren J. Principles of Global Marketing. Prentice-Hall, 1997.
警告: この引用は必ずしも正確ではありません.