Christy, D. (1993). Essentials of precalculus algebra and trigonometry (5th ed.). Wm. C. Brown.
Chicagoスタイル(17版)引用形式Christy, Denis. Essentials of Precalculus Algebra and Trigonometry. 5th ed. Dubuque, Iowa: Wm. C. Brown, 1993.
MLA(9版)引用形式Christy, Denis. Essentials of Precalculus Algebra and Trigonometry. 5th ed. Wm. C. Brown, 1993.
警告: この引用は必ずしも正確ではありません.