Kotler, P., & Armstrong, G. M. (1999). Principles of marketing (8th ed.). Upper Saddle River, NJ: Prentice Hall.
Chicago Style CitationKotler, Philip, and Gary M. Armstrong. Principles of Marketing. 8th ed. Upper Saddle River, NJ: Prentice Hall, 1999.
MLA CitationKotler, Philip, and Gary M. Armstrong. Principles of Marketing. 8th ed. Upper Saddle River, NJ: Prentice Hall, 1999.
Warning: These citations may not always be 100% accurate.