Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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