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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Newcastle upon Tyne. Centre for Rural Economy, Paul Allanson, और Martin Charles Whitby. The Rural Economy and the British Countryside. London: Earthscan, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Newcastle upon Tyne. Centre for Rural Economy, et al. The Rural Economy and the British Countryside. Earthscan, 1996.
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