Kotler, P., & Gray Armstrong. (1992). Principles of marketing (5th ed.). Prentice-Hall.
シカゴスタイル引用形Kotler, Philip, , Gray Armstrong. Principles of Marketing. 5th ed. New Delhi: Prentice-Hall, 1992.
MLA引用形式Kotler, Philip, , Gray Armstrong. Principles of Marketing. 5th ed. Prentice-Hall, 1992.
警告: この引用は必ずしも正確ではありません.