Drucker, P. F. (1986). Innovation and entrepreneurship: Practice and principles. East-West Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDrucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. East-West Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDrucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. East-West Press, 1986.
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