Kotler, P., & Armstrong, G. (1991). Fundamentos de mercadotecnia (2a. ed.). Prentice Hall Hispanoamericana.
Chicago Style (17th ed.) CitationKotler, Philip, and Gary Armstrong. Fundamentos De Mercadotecnia. 2a. ed. Ciudad de México: Prentice Hall Hispanoamericana, 1991.
MLA (9th ed.) CitationKotler, Philip, and Gary Armstrong. Fundamentos De Mercadotecnia. 2a. ed. Prentice Hall Hispanoamericana, 1991.
Warning: These citations may not always be 100% accurate.