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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLibrary Association. Study School and National Conference Proceedings, Nottingham, 1979. London: the Association, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLibrary Association. Study School and National Conference Proceedings, Nottingham, 1979. the Association, 1980.
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