McDaniel, C. D., Lamb, C. W., & Hair, J. F. (2007). Marketing essentials (5th ed.). Thomson.
Lua i Stíl Chicago (17ú heag.)McDaniel, Carl D., Charles W. Lamb, agus Joseph F. Hair. Marketing Essentials. 5th ed. Mason, OH: Thomson, 2007.
Lua MLA (8ú heag.)McDaniel, Carl D., et al. Marketing Essentials. 5th ed. Thomson, 2007.
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