Dyfyniad APA

Kotler, P., Armstrong, G., & Agnihotri, P. Y. (2018). Principles of marketing (Seventeenth edition.). Pearson.

Dyfyniad Arddull Chicago

Kotler, Philip, Gary Armstrong, and Prafulla Y. Agnihotri. Principles of Marketing. Seventeenth edition. Noida (Uttar Pradesh, Indien): Pearson, 2018.

Dyfyniad MLA

Kotler, Philip, et al. Principles of Marketing. Seventeenth edition. Pearson, 2018.

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