Baumol, W. J. (2002). The free-market innovation machine: Analyzing the growth miracle of capitalism. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumol, William J. The Free-market Innovation Machine: Analyzing the Growth Miracle of Capitalism. Princeton: Princeton University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaumol, William J. The Free-market Innovation Machine: Analyzing the Growth Miracle of Capitalism. Princeton University Press, 2002.
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