NARGUNDKAR RAJENDRA. (2003). MARKETING RESEARCH: TEXT AND CASES (2ND.). TATA MCGRAW-HILL PUBLISHING COMPANY.
Chicago-viite (17. p.)NARGUNDKAR RAJENDRA. MARKETING RESEARCH: TEXT AND CASES. 2ND. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2003.
MLA-viite (9. p.)NARGUNDKAR RAJENDRA. MARKETING RESEARCH: TEXT AND CASES. 2ND. TATA MCGRAW-HILL PUBLISHING COMPANY, 2003.
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