Dyfyniad APA

Herbert L Tyson. (1990). XyWrite revealed. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Herbert L Tyson. XyWrite Revealed. New York: McGraw-Hill, 1990.

Dyfyniad MLA

Herbert L Tyson. XyWrite Revealed. New York: McGraw-Hill, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.