The Norton utilities: Version 4.0 / Advanced edition user manual. s.n.].
Cita Chicago (17th ed.)The Norton Utilities: Version 4.0 / Advanced Edition User Manual. [S.l: s.n.].
Cita MLA (9th ed.)The Norton Utilities: Version 4.0 / Advanced Edition User Manual. s.n.].
Atenció: Aquestes cites poden no estar 100% correctes.