Dyfyniad APA

Hoffmann, G. M. (2005). Copyright in cyberspace 2: Questions and answers for librarians. New York: Neal-Schuman Publishers.

Dyfyniad Arddull Chicago

Hoffmann, Gretchen McCord. Copyright in Cyberspace 2: Questions and Answers for Librarians. New York: Neal-Schuman Publishers, 2005.

Dyfyniad MLA

Hoffmann, 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.