Não informado. (1955). Mathematics Teaching. Association of Teachers of Mathematics.
Chicagoスタイル(17版)引用形式Não informado. Mathematics Teaching. Derby, Inglaterra: Association of Teachers of Mathematics, 1955.
MLA(8版)引用形式Não informado. Mathematics Teaching. Association of Teachers of Mathematics, 1955.
警告: この引用は必ずしも正確ではありません.