Kotler, P. (2003). Marketing management (11th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Kotler, Philip. Marketing Management. 11th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
Lua MLA (8ú heag.)Kotler, Philip. Marketing Management. 11th ed. Prentice Hall, 2003.
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