COMER JAMES M. (1991). SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). ALLYN AND BACON.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCOMER JAMES M. SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). BOSTON: ALLYN AND BACON, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCOMER JAMES M. SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). ALLYN AND BACON, 1991.
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