Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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