Tohutoro APA (7th ed.)
Beri, G. C. (1989). Marketing research: Text and cases. Tata Mcgraw-hill.
Tohutoru Kātū Chicago (17th ed.)
Beri, G. C. Marketing Research: Text and Cases. New Delhi: Tata Mcgraw-hill, 1989.
Tohutoro MLA (9th ed.)
Beri, G. C. Marketing Research: Text and Cases. Tata Mcgraw-hill, 1989.
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