Cita APA (7a ed.)

Kotler, P., & Armstrong, G. (2001). Principles of marketing (9th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Kotler, Philip, y Gary Armstrong. Principles of Marketing. 9th ed. Upper Saddle River, New Jersey: Prentice-Hall, 2001.

Cita MLA (9a ed.)

Kotler, Philip, y Gary Armstrong. Principles of Marketing. 9th ed. Prentice-Hall, 2001.