Cita APA (7th ed.)
Kotler, P., & Armstrong, G. (1996). Principles of marketing (7th.ed.). Prentice Hall.
Cita Chicago (17th ed.)
Kotler, Philip, i Gary Armstrong. Principles of Marketing. 7th.ed. New Jersey: Prentice Hall, 1996.
Cita MLA (9th ed.)
Kotler, Philip, i Gary Armstrong. Principles of Marketing. 7th.ed. Prentice Hall, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.