Hoffman, G. M. (2005). Copyright in cyberspace2: Questions and answers for librarians. Neal-Schuman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoffman, Gretchen McCord. Copyright in Cyberspace2: Questions and Answers for Librarians. New York: Neal-Schuman, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHoffman, Gretchen McCord. Copyright in Cyberspace2: Questions and Answers for Librarians. Neal-Schuman, 2005.
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