Gaya APA

Kotler, Philip, Armstrong, Gary, Oprensik, Marc Oliver. (2021). Principles of Marketing (18th. ed). United Kingom: Pearson.

Gaya Chicago

Kotler, Philip, Armstrong, Gary, Oprensik, Marc Oliver. Principles of Marketing. 18th. ed United Kingom: Pearson, 2021. Text.

Gaya MLA

Kotler, Philip, Armstrong, Gary, Oprensik, Marc Oliver. Principles of Marketing. 18th. ed United Kingom: Pearson, 2021. Text.

Gaya Turabian

Kotler, Philip, Armstrong, Gary, Oprensik, Marc Oliver. Principles of Marketing. 18th. ed United Kingom: Pearson, 2021. Print.