APA
Cooper D. R. &. S. P. S., . (2006). Marketing Research Concept and Cases. : TMH.
Chicago
Cooper Donald R & Sehimdlers Pamda S, . 2006. Marketing Research Concept and Cases. : TMH.
Harvard
Cooper D. R. &. S. P. S., . (2006). Marketing Research Concept and Cases. : TMH.
MLA
Cooper Donald R & Sehimdlers Pamda S, . Marketing Research Concept and Cases. : TMH. 2006.