ZIMMERER THOMAS W. (2005). ESSENTIALS OF ENTREPRENEURSHIP & SMALL BUSINESS . (4TH.). PRENTICE HALL OF INDIA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZIMMERER THOMAS W. ESSENTIALS OF ENTREPRENEURSHIP & SMALL BUSINESS . 4TH. NEW DELHI: PRENTICE HALL OF INDIA, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZIMMERER THOMAS W. ESSENTIALS OF ENTREPRENEURSHIP & SMALL BUSINESS . 4TH. PRENTICE HALL OF INDIA, 2005.
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