Dyfyniad APA

Acerson, K. L. (1988). WordPerfect: The complete reference. Osborne McGraw-Hill.

Dyfyniad Arddull Chicago

Acerson, Karen L. WordPerfect: The Complete Reference. Berkeley, Calif.: Osborne McGraw-Hill, 1988.

Dyfyniad MLA

Acerson, Karen L. WordPerfect: The Complete Reference. Osborne McGraw-Hill, 1988.

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