North, D. C. (2005). Understanding the process of economic change. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorth, Douglass Cecil. Understanding the Process of Economic Change. Princeton, N.J.: Princeton University Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorth, Douglass Cecil. Understanding the Process of Economic Change. Princeton University Press, 2005.
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