APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Wessner, C. W. (1999). The Small Business Innovation Research Program: Challenges and opportunities. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Charles W. Wessner. The Small Business Innovation Research Program: Challenges and Opportunities. Washington, D.C.: National Academy Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Charles W. Wessner. The Small Business Innovation Research Program: Challenges and Opportunities. National Academy Press, 1999.
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