Dyfyniad APA

Pfaffenberger, B. (1991). PC tools 7 made easy. Osborne McGraw-Hill.

Dyfyniad Arddull Chicago

Pfaffenberger, Bryan. PC Tools 7 Made Easy. Berkeley: Osborne McGraw-Hill, 1991.

Dyfyniad MLA

Pfaffenberger, Bryan. PC Tools 7 Made Easy. Osborne McGraw-Hill, 1991.

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