Lua APA (7ú heag.)

Kotler, P. (2018). principles of Marketing (17th.). PEARSON.

Lua i Stíl Chicago (17ú heag.)

Kotler, Philip. Principles of Marketing. 17th. Noida: PEARSON, 2018.

Lua MLA (9ú heag.)

Kotler, Philip. Principles of Marketing. 17th. PEARSON, 2018.

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