APA (7e ed.) Bronvermelding

Armstrong, G., & Kotler, P. (2003). Marketing: An introduction (6th ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Armstrong, Gary, en Philip Kotler. Marketing: An Introduction. 6th ed. Upper Saddle River, NJ: Prentice Hall, 2003.

MLA (8e ed.) Bronvermelding

Armstrong, Gary, en Philip Kotler. Marketing: An Introduction. 6th ed. Prentice Hall, 2003.