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Dyfyniad Arddull ChicagoKaye, Joel. Economy and Nature in the Fourteenth Century: Money, Market Exchange, and the Emergence of Scientific Thought. New York: Cambridge University Press, 1998.
Dyfyniad MLAKaye, Joel. Economy and Nature in the Fourteenth Century: Money, Market Exchange, and the Emergence of Scientific Thought. Cambridge University Press, 1998.
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