APA引文

(1990). Wring device drivers. USA: [s.n.].

Trích dẫn kiểu Chicago

Wring Device Drivers. USA: [s.n.], 1990.

MLA引文

Wring Device Drivers. USA: [s.n.], 1990.

警告：这些引文格式不一定是100％准确.