STILL RICHARD R. (1995). SALES MANAGEMENT: DECISION, STRATEGIES AND CASES (5TH.). PRENTICE HALL OF INDIA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSTILL RICHARD R. SALES MANAGEMENT: DECISION, STRATEGIES AND CASES. 5TH. NEW DELHI: PRENTICE HALL OF INDIA, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSTILL RICHARD R. SALES MANAGEMENT: DECISION, STRATEGIES AND CASES. 5TH. PRENTICE HALL OF INDIA, 1995.
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