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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