American Library Association, C. (1970). Angle American cataloguing rules. American Library Association, Chicago.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Library Association, Chicago. Angle American Cataloguing Rules. American Library Association, Chicago, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Library Association, Chicago. Angle American Cataloguing Rules. American Library Association, Chicago, 1970.
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