Wickham, C. (2008). Productive forces and the economic logic of the feudal mode of production.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWickham, C. Productive Forces and the Economic Logic of the Feudal Mode of Production. 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWickham, C. Productive Forces and the Economic Logic of the Feudal Mode of Production. 2008.
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