Dyfyniad APA

Matthews, M. (2005). Adobe Acrobat 7: QuickSteps. New York: McGraw-Hill/Osborne.

Dyfyniad Arddull Chicago

Matthews, Marty. Adobe Acrobat 7: QuickSteps. New York: McGraw-Hill/Osborne, 2005.

Dyfyniad MLA

Matthews, Marty. Adobe Acrobat 7: QuickSteps. New York: McGraw-Hill/Osborne, 2005.

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