Kotler, P., & Keller, K. L. (2006). Marketing management (12th ed.). Prentice-hall.
Cita Chicago (17th ed.)Kotler, Philip, i Kevin Lane Keller. Marketing Management. 12th ed. New Jersey: Prentice-hall, 2006.
Cita MLA (9th ed.)Kotler, Philip, i Kevin Lane Keller. Marketing Management. 12th ed. Prentice-hall, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.