PUGH DAVID. (2003). FIRST MILE: ESSENTIALS OF ENTREPRENEURSHIP. WILEY PUBLISHING.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPUGH DAVID. FIRST MILE: ESSENTIALS OF ENTREPRENEURSHIP. USA: WILEY PUBLISHING, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPUGH DAVID. FIRST MILE: ESSENTIALS OF ENTREPRENEURSHIP. WILEY PUBLISHING, 2003.
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