(2004). Thinkwell's college algebra. [Austin, Tex.]: Thinkwell Corporation.
シカゴスタイル引用形Thinkwell's College Algebra. [Austin, Tex.]: Thinkwell Corporation, 2004.
MLA引用形式Thinkwell's College Algebra. [Austin, Tex.]: Thinkwell Corporation, 2004.
警告: この引用は必ずしも正確ではありません.