APA aipamena

Acerson, K. L. (1990). WordPerfect 5.1: The complete reference. Osborne McGraw-Hill.

Chicago Style aipamena

Acerson, Karen L. WordPerfect 5.1: The Complete Reference. Berkeley, Calif: Osborne McGraw-Hill, 1990.

MLA aipamena

Acerson, Karen L. WordPerfect 5.1: The Complete Reference. Osborne McGraw-Hill, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.