Kotler, P., & Villegas Orrego, F. (1981). Mercadotecnia. Prentice-Hall Hispanoamericana.
Chicago Style (17th ed.) CitationKotler, Philip, and Fabio Villegas Orrego. Mercadotecnia. México: Prentice-Hall Hispanoamericana, 1981.
MLA (9th ed.) CitationKotler, Philip, and Fabio Villegas Orrego. Mercadotecnia. Prentice-Hall Hispanoamericana, 1981.
Warning: These citations may not always be 100% accurate.