एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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