Krumm, R. (1991). Inside the Norton Utilities 6.0 (3rd ed.). Brady Pub.
Cita Chicago (17th ed.)Krumm, Rob. Inside the Norton Utilities 6.0. 3rd ed. New York: Brady Pub, 1991.
Cita MLA (9th ed.)Krumm, Rob. Inside the Norton Utilities 6.0. 3rd ed. Brady Pub, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.