Cita APA (7th ed.)

Kotler, P., & Armstrong, G. (1999). Principles of marketing (8th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Kotler, Philip, i Gary Armstrong. Principles of Marketing. 8th ed. Upper Saddle River, NJ ; New Delhi: Prentice Hall, 1999.

Cita MLA (8th ed.)

Kotler, Philip, i Gary Armstrong. Principles of Marketing. 8th ed. Prentice Hall, 1999.