APA ציטוט

Kotler, . P. T., & Armstrong, G. (2018). Principles of marketing (17th ed.). New York, NY: Pearson.

Trích dẫn kiểu Chicago

Kotler, Philip T., và Gary Armstrong. Principles of Marketing. 17th ed. New York, NY: Pearson, 2018.

ציטוט MLA

Kotler, Philip T., và Gary Armstrong. Principles of Marketing. 17th ed. New York, NY: Pearson, 2018.