APA引文

(2005). Thinkwell's precalculus. [Austin, Tex.]: Thinkwell.

Trích dẫn kiểu Chicago

Thinkwell's Precalculus. [Austin, Tex.]: Thinkwell, 2005.

MLA引文

Thinkwell's Precalculus. [Austin, Tex.]: Thinkwell, 2005.

警告：这些引文格式不一定是100％准确.