Cita APA (7th ed.)

Kotler, P., & Armstrong, G. (1993). Marketing: An introduction (3rd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Kotler, Philip, i Gary Armstrong. Marketing: An Introduction. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1993.

Cita MLA (9th ed.)

Kotler, Philip, i Gary Armstrong. Marketing: An Introduction. 3rd ed. Prentice Hall, 1993.