Cita APA (7th ed.)
Kotler, P., & Armstrong, G. (2012). Marketing (14a. ed.). Pearson.
Cita Chicago (17th ed.)
Kotler, Philip, i Gary Armstrong. Marketing. 14a. ed. Pearson, 2012.
Cita MLA (9th ed.)
Kotler, Philip, i Gary Armstrong. Marketing. 14a. ed. Pearson, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.