HAMEL GARY. (2007). FUTURE OF MANAGEMENT. HARVARD BUSINESS SCHOOL PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAMEL GARY. FUTURE OF MANAGEMENT. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAMEL GARY. FUTURE OF MANAGEMENT. HARVARD BUSINESS SCHOOL PRESS, 2007.
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