Cita APA (7th ed.)

Kotler, P., & Armstrong, G. (2008). Principles of marketing (12th ed.). Pearson/Prentice Hall.

Cita Chicago (17th ed.)

Kotler, Philip, i Gary Armstrong. Principles of Marketing. 12th ed. Upper Saddle River, N.J. ; New Delhi: Pearson/Prentice Hall, 2008.

Cita MLA (8th ed.)

Kotler, Philip, i Gary Armstrong. Principles of Marketing. 12th ed. Pearson/Prentice Hall, 2008.