Clark, G. y. (2007). A farewell to alms: Brief economic history of the world. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClark, Gregor y. A Farewell to Alms: Brief Economic History of the World. Princeton: Princeton University Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClark, Gregor y. A Farewell to Alms: Brief Economic History of the World. Princeton University Press, 2007.
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