Cita APA

Kotler, P., & Philip Kotler; Gary Armstrong. (2015). Principles of marketing. Boston: Pearson.

Chicago Style Citation

Kotler, Philip, i Philip Kotler; Gary Armstrong. Principles of Marketing. Boston: Pearson, 2015.

Cita MLA

Kotler, Philip, i Philip Kotler; Gary Armstrong. Principles of Marketing. Boston: Pearson, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.