Cita APA

Kotler, P., & Armstrong, G. (1995). Principles of marketing/6e (6th ed.). Prentice-hall.

Chicago Edition Citation

Kotler, Philip, i Gary Armstrong. Principles of Marketing/6e. 6th ed. New Delhi: Prentice-hall, 1995.

Cita MLA

Kotler, Philip, i Gary Armstrong. Principles of Marketing/6e. 6th ed. Prentice-hall, 1995.