Gaya APA

Kotler, Philip, Armstrong, Gary. (2014). Principles of Marketing . England: Pearson Education Limited.

Gaya Chicago

Kotler, Philip, Armstrong, Gary. Principles of Marketing. England: Pearson Education Limited, 2014. Text.

Gaya MLA

Kotler, Philip, Armstrong, Gary. Principles of Marketing. England: Pearson Education Limited, 2014. Text.

Gaya Turabian

Kotler, Philip, Armstrong, Gary. Principles of Marketing. England: Pearson Education Limited, 2014. Print.