Beri, G. (2005). Marketing Research. Tata Mc Graw -Hill Publishing Company Limited.
Chicago Edition CitationBeri, G.C. Marketing Research. New Delhi: Tata Mc Graw -Hill Publishing Company Limited, 2005.
MLA citiranjeBeri, G.C. Marketing Research. Tata Mc Graw -Hill Publishing Company Limited, 2005.
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