APA引文

Dbase III for your 16 bit PC user manual. s.n.].

芝加哥风格引文

Dbase III for Your 16 Bit PC User Manual. [S.l: s.n.].

MLA引文

Dbase III for Your 16 Bit PC User Manual. s.n.].

警告：这些引文格式不一定是100％准确.