Kotler, P., & Armstrong, G. (1991). Fundamentos de mercadotecnia (2a. ed.). México D.F: Prentice Hall.
Chicago Style CitationKotler, Philip, and Gary Armstrong. Fundamentos De Mercadotecnia. 2a. ed. México D.F: Prentice Hall, 1991.
MLA CitationKotler, Philip, and Gary Armstrong. Fundamentos De Mercadotecnia. 2a. ed. México D.F: Prentice Hall, 1991.
Warning: These citations may not always be 100% accurate.