Cita APA (7th ed.)
Pfaffenberger, B. (1991). PC tools deluxe 6. McGraw -Hill.
Cita Chicago (17th ed.)
Pfaffenberger, Bryan. PC Tools Deluxe 6. California: McGraw -Hill, 1991.
Cita MLA (9th ed.)
Pfaffenberger, Bryan. PC Tools Deluxe 6. McGraw -Hill, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.