Cita APA (7th ed.)
Kotler, P., & Armstrong, G. (2001). Marketing (8a. ed.). Pearson.
Cita Chicago (17th ed.)
Kotler, Philip, i Gary Armstrong. Marketing. 8a. ed. Mexico: Pearson, 2001.
Cita MLA (9th ed.)
Kotler, Philip, i Gary Armstrong. Marketing. 8a. ed. Pearson, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.