Esty, W. W. (1997). Precalculus concepts (Preliminary edition.). Prentice-Hall.
Chicagoスタイル(17版)引用形式Esty, Warren W. Precalculus Concepts. Preliminary edition. Upper Saddle River, NJ: Prentice-Hall, 1997.
MLA(9版)引用形式Esty, Warren W. Precalculus Concepts. Preliminary edition. Prentice-Hall, 1997.
警告: この引用は必ずしも正確ではありません.