Kotler, P., & Armstrong, G. (2002). Principles of marketing (9th ed.). Pearson Education.
Chicago Edition CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 9th ed. Delhi: Pearson Education, 2002.
MLA Edition CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 9th ed. Pearson Education, 2002.
Warning: These citations may not always be 100% accurate.