Lua APA (7ú heag.)

Kotler, P. (2017). Principles of Marketing (15.). Pearson.

Lua i Stíl Chicago (17ú heag.)

Kotler, Philip. Principles of Marketing. 15. Noida: Pearson, 2017.

Lua MLA (9ú heag.)

Kotler, Philip. Principles of Marketing. 15. Pearson, 2017.

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