Kotler, P. (1991). Principles of marketing/ 5e (5th ed.). Prentice hall of India.
シカゴスタイル引用形Kotler, Philip. Principles of Marketing/ 5e. 5th ed. New Delhi: Prentice hall of India, 1991.
MLA引用形式Kotler, Philip. Principles of Marketing/ 5e. 5th ed. Prentice hall of India, 1991.
警告: この引用は必ずしも正確ではありません.