APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.