Cita APA (7th ed.)

Kotler, P., & Armstrong, G. (1997). Marketing: An introduction (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Kotler, Philip, i Gary Armstrong. Marketing: An Introduction. 4th ed. New Jersey: Prentice Hall, 1997.

Cita MLA (9th ed.)

Kotler, Philip, i Gary Armstrong. Marketing: An Introduction. 4th ed. Prentice Hall, 1997.