Edwards, C. W. (1963). A test of arithmetic principles, elementary form. University Microfilms.
Chicagoスタイル(17版)引用形式Edwards, Charles Walter. A Test of Arithmetic Principles, Elementary Form. [Ann Arbor, Mich: University Microfilms, 1963.
MLA(9版)引用形式Edwards, Charles Walter. A Test of Arithmetic Principles, Elementary Form. University Microfilms, 1963.
警告: この引用は必ずしも正確ではありません.