The Norton utilities: Version 4.0 / Advanced edition user manual. s.n.].
Chicago Style (17th ed.) CitationThe Norton Utilities: Version 4.0 / Advanced Edition User Manual. [S.l: s.n.].
MLA引文The Norton Utilities: Version 4.0 / Advanced Edition User Manual. s.n.].
警告:這些引文格式不一定是100%准確.