Reference and User Services Association. (1996). RUSA update. The Reference and User Services Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रReference and User Services Association. RUSA Update. Chicago, Ill.: The Reference and User Services Association, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रReference and User Services Association. RUSA Update. The Reference and User Services Association, 1996.
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