APA引文

(1991). Foxpro 2.0: Commands & functiond. BPB publications.

芝加哥风格引文

Foxpro 2.0: Commands & Functiond. [s. n]: BPB publications, 1991.

MLA引文

Foxpro 2.0: Commands & Functiond. BPB publications, 1991.

警告：这些引文格式不一定是100％准确.