APA引文

(2004). Thinkwell's precalculus: Companion workbook. [Austin]: Thinkwell Corporation.

Trích dẫn kiểu Chicago

Thinkwell's Precalculus: Companion Workbook. [Austin]: Thinkwell Corporation, 2004.

MLA引文

Thinkwell's Precalculus: Companion Workbook. [Austin]: Thinkwell Corporation, 2004.

警告：这些引文格式不一定是100％准确.