Perreault, W. D. (2010). Essentials of marketing: A marketing strategy planning approach. United States: McGraw-Hill/Irwin.
Παραπομπή Chicago StylePerreault, William D. Essentials of Marketing: A Marketing Strategy Planning Approach. United States: McGraw-Hill/Irwin, 2010.
Παραπομπή MLAPerreault, William D. Essentials of Marketing: A Marketing Strategy Planning Approach. United States: McGraw-Hill/Irwin, 2010.
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