Kotler, P., & Armstrong, G. (2001). Principles of marketing (9th ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Kotler, Philip, , Gary Armstrong. Principles of Marketing. 9th ed. Upper Saddle River, N.J. : New Delhi: Prentice Hall, 2001.
MLA(8版)引用形式Kotler, Philip, , Gary Armstrong. Principles of Marketing. 9th ed. Prentice Hall, 2001.
警告: この引用は必ずしも正確ではありません.