Dyfyniad APA

Kotler, P., & Armstrong, G. (2016). Principles of marketing (16e, global edition.). Pearson Education Limited.

Dyfyniad Arddull Chicago

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 16e, global edition. Essex, England: Pearson Education Limited, 2016.

Dyfyniad MLA

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 16e, global edition. Pearson Education Limited, 2016.

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