Gaya APA

Kotler, Philip, Armstrong, Gary. (2012). Principles of marketing (14). Upper Saddle River, NJ: Pearson.

Gaya Chicago

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14 Upper Saddle River, NJ: Pearson, 2012. Text.

Gaya MLA

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14 Upper Saddle River, NJ: Pearson, 2012. Text.

Gaya Turabian

Kotler, Philip, Armstrong, Gary. Principles of marketing. 14 Upper Saddle River, NJ: Pearson, 2012. Print.