Alvin C Burns. (2006). Marketing Research: With SPSS 13.0 Student version for windows. Pearson education.
Παραπομπή Chicago StyleAlvin C Burns. Marketing Research: With SPSS 13.0 Student Version for Windows. New Delhi: Pearson education, 2006.
Παραπομπή MLAAlvin C Burns. Marketing Research: With SPSS 13.0 Student Version for Windows. Pearson education, 2006.
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