Cita APA

Kotler, P., & Armstrong, G. (2008). Principles of marketing (12th internationl ed.). Pearson Prentice Hall.

Citación estilo Chicago

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 12th internationl ed. New Jersey: Pearson Prentice Hall, 2008.

Cita MLA

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 12th internationl ed. Pearson Prentice Hall, 2008.