Nargundkar,Rajendra. (2008). Marketing Research (3rd.). McGraw Hill Education.
Chicago-čujuhus (17. p.)Nargundkar,Rajendra. Marketing Research. 3rd. New Delhi: McGraw Hill Education, 2008.
MLA-čujuhus (9. p.)Nargundkar,Rajendra. Marketing Research. 3rd. McGraw Hill Education, 2008.
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