ALLEN, P. (1977). Marketing Techniques for Analysis and Control. Arete Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रALLEN, Peter. Marketing Techniques for Analysis and Control. Arete Publishing Company, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रALLEN, Peter. Marketing Techniques for Analysis and Control. Arete Publishing Company, 1977.
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