Ries, E. (2011). The lean startup: How today's entrepreneurs use continuous innovation to create radically successful businesses (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRies, Eric. The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses. Unabridged. New York: Random House Audio, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRies, Eric. The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses. Unabridged. Random House Audio, 2011.
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