Não informado. (1950). Industrial mathematics. Industrial Mathematics Society.
Chicagoスタイル(17版)引用形式Não informado. Industrial Mathematics. Detroit, Mich: Industrial Mathematics Society, 1950.
MLA(8版)引用形式Não informado. Industrial Mathematics. Industrial Mathematics Society, 1950.
警告: この引用は必ずしも正確ではありません.