Hoffmann, G. M. (2005). Copyright in cyberspace 2: Questions and answers for librarians. New York: Neal-Schuman Publishers.
Dyfyniad Arddull ChicagoHoffmann, Gretchen McCord. Copyright in Cyberspace 2: Questions and Answers for Librarians. New York: Neal-Schuman Publishers, 2005.
Dyfyniad MLAHoffmann, Gretchen McCord. Copyright in Cyberspace 2: Questions and Answers for Librarians. New York: Neal-Schuman Publishers, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.