Kotler, P. (1991). Principles of marketing (5th ed.). Prentice-Hall.
Chicagoスタイル(17版)引用形式Kotler, Philip. Principles of Marketing. 5th ed. New Delhi: Prentice-Hall, 1991.
MLA(9版)引用形式Kotler, Philip. Principles of Marketing. 5th ed. Prentice-Hall, 1991.
警告: この引用は必ずしも正確ではありません.