APA(7版)引用形式
Spitzer, H. F. Enrichment of Arithmetic (1a.ed.). Webster Divsion McGraw - Hill.
Chicagoスタイル(17版)引用形式
Spitzer, Herbert F. Enrichment of Arithmetic. 1a.ed. Buenos Aires: Webster Divsion McGraw - Hill.
MLA(9版)引用形式
Spitzer, Herbert F. Enrichment of Arithmetic. 1a.ed. Webster Divsion McGraw - Hill.
警告: この引用は必ずしも正確ではありません.