Kotler, P., & Keller, K. L. (2006). Marketing management (12th ed.). Pearson Prentice Hall.
Cita Chicago (17th ed.)Kotler, Philip, i Kevin Lane Keller. Marketing Management. 12th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2006.
Cita MLA (9th ed.)Kotler, Philip, i Kevin Lane Keller. Marketing Management. 12th ed. Pearson Prentice Hall, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.