Kotler, P., & Armstrong, G. (1997). Marketing: An Introduction (4th ed.). Prentice hall.
Chicago Edition CitationKotler, Philip, and Gary Armstrong. Marketing: An Introduction. 4th ed. New Jersey: Prentice hall, 1997.
MLA Edition CitationKotler, Philip, and Gary Armstrong. Marketing: An Introduction. 4th ed. Prentice hall, 1997.
Warning: These citations may not always be 100% accurate.