The Norton utilities: Version 4.0 / Advanced edition user manual. s.n.].
Chicago Style (17. basım) AtıfThe Norton Utilities: Version 4.0 / Advanced Edition User Manual. [S.l: s.n.].
MLA (9th ed.) AtıfThe Norton Utilities: Version 4.0 / Advanced Edition User Manual. s.n.].
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..