Não informado. (1980). For the Learning of Mathematics. FLM Publishing Association.
Chicagoスタイル(17版)引用形式Não informado. For the Learning of Mathematics. Montreal, Canada: FLM Publishing Association, 1980.
MLA(8版)引用形式Não informado. For the Learning of Mathematics. FLM Publishing Association, 1980.
警告: この引用は必ずしも正確ではありません.