Hardin, R. (2009). How do you know?: The economics of ordinary knowledge. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHardin, Russell. How Do You Know?: The Economics of Ordinary Knowledge. Princeton, NJ: Princeton University Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHardin, Russell. How Do You Know?: The Economics of Ordinary Knowledge. Princeton University Press, 2009.
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