Cita APA (7a ed.)

Kotler, P., & Armstrong, G. (1994). Principles of marketing (6th ed.). Prentice - Hall International,Inc.

Cita Chicago Style (17a ed.)

Kotler, Philip, y Gary Armstrong. Principles of Marketing. 6th ed. New Jersey: Prentice - Hall International,Inc, 1994.

Cita MLA (9a ed.)

Kotler, Philip, y Gary Armstrong. Principles of Marketing. 6th ed. Prentice - Hall International,Inc, 1994.