Choudhary Pran & Others. (1992). Successful Sales Promotion. Orient Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChoudhary Pran & Others. Successful Sales Promotion. Hyderabad: Orient Longman, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChoudhary Pran & Others. Successful Sales Promotion. Orient Longman, 1992.
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