Cita APA (7th ed.)

Armstrong, G., & Kotler, P. (2015). Marketing: An introduction (Twelfth edition.). Pearson.

Cita Chicago (17th ed.)

Armstrong, Gary, i Philip Kotler. Marketing: An Introduction. Twelfth edition. Boston: Pearson, 2015.

Cita MLA (9th ed.)

Armstrong, Gary, i Philip Kotler. Marketing: An Introduction. Twelfth edition. Pearson, 2015.