APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.