Cita APA

Armstrong, G., & Kotler, P. (1998). Marketing: An introduction (6th ed.). Canada: Prentice Hall.

Chicago Style Citation

Armstrong, Gary, i Philip Kotler. Marketing: An Introduction. 6th ed. Canada: Prentice Hall, 1998.

Cita MLA

Armstrong, Gary, i Philip Kotler. Marketing: An Introduction. 6th ed. Canada: Prentice Hall, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.