APA引文

The Norton utilities: Version 4.0 / Advanced edition user manual. s.n.].

芝加哥风格引文

The 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:这些引文格式不一定是100%准确.