Kotler, P., & Armstrong,Gary. (2008). Principles of marketing (12th.). PHI.
シカゴスタイル引用形Kotler, Philip, , Armstrong,Gary. Principles of Marketing. 12th. New Delhi: PHI, 2008.
MLA引用形式Kotler, Philip, , Armstrong,Gary. Principles of Marketing. 12th. PHI, 2008.
警告: この引用は必ずしも正確ではありません.