Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.