Kumar, V. (2015). Marketing Research: A Global Outlook. SAGE Publications India Pvt. Ltd.
Chicago-čujuhus (17. p.)Kumar, V. Marketing Research: A Global Outlook. New Delhi: SAGE Publications India Pvt. Ltd, 2015.
MLA-čujuhus (9. p.)Kumar, V. Marketing Research: A Global Outlook. SAGE Publications India Pvt. Ltd, 2015.
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