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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAppropriate Industrial Technology for Energy for Rural Requirements. New York: United Nations, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAppropriate Industrial Technology for Energy for Rural Requirements. United Nations, 1979.
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