BENNETT GREG. (2007). CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. AMERICAN MANAGEMENT ASSOCIATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBENNETT GREG. CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. NEW YORK: AMERICAN MANAGEMENT ASSOCIATION, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBENNETT GREG. CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. AMERICAN MANAGEMENT ASSOCIATION, 2007.
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