APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (2005). Principles of marketing (11th ed.). Pearson Prentice Hall.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th ed. Upper Saddle River, N.J: Pearson Prentice Hall, 2005.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th ed. Pearson Prentice Hall, 2005.