Hart, W. L. R. (1959). College algebra and trigonometry. Heath.
Chicagoスタイル(17版)引用形式Hart, William Le Roy. College Algebra and Trigonometry. Boston: Heath, 1959.
MLA(8版)引用形式Hart, William Le Roy. College Algebra and Trigonometry. Heath, 1959.
警告: この引用は必ずしも正確ではありません.