Gaya APA

Kotler, Philip. (2014). Principles of Marketing fifteenth edition (Fifteenth edition). Harlow: Pearson Education Limited.

Gaya Chicago

Kotler, Philip. Principles of Marketing fifteenth edition. Fifteenth edition Harlow: Pearson Education Limited, 2014. MM.

Gaya MLA

Kotler, Philip. Principles of Marketing fifteenth edition. Fifteenth edition Harlow: Pearson Education Limited, 2014. MM.

Gaya Turabian

Kotler, Philip. Principles of Marketing fifteenth edition. Fifteenth edition Harlow: Pearson Education Limited, 2014. MM.