DUNCAN, E. R. (1972). Modern school mathematics structure and use. Houghton Mifflin co.
Chicagoスタイル(17版)引用形式DUNCAN, Ernest R. Modern School Mathematics Structure and Use. Boston: Houghton Mifflin co, 1972.
MLA(9版)引用形式DUNCAN, Ernest R. Modern School Mathematics Structure and Use. Houghton Mifflin co, 1972.
警告: この引用は必ずしも正確ではありません.