BOYD HARPER W. (2005). MARKETING RESEARCH: TEXT AND CASES (7TH.). AITBS PUBLICATION.
Čikaški stil citiranja (17. izdanje)BOYD HARPER W. MARKETING RESEARCH: TEXT AND CASES. 7TH. DELHI: AITBS PUBLICATION, 2005.
MLA način citiranja (9. izdanje)BOYD HARPER W. MARKETING RESEARCH: TEXT AND CASES. 7TH. AITBS PUBLICATION, 2005.
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