STEPHENS, R. T. (1977). Worktext in intermediate algebra. West Pub. Co.
Chicagoスタイル(17版)引用形式STEPHENS, Robert T. Worktext in Intermediate Algebra. St. Paul: West Pub. Co, 1977.
MLA(9版)引用形式STEPHENS, Robert T. Worktext in Intermediate Algebra. West Pub. Co, 1977.
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