Não informado. (1957). Scientific world. World Federation of Scientific Workers.
Chicagoスタイル(17版)引用形式Não informado. Scientific World. London: World Federation of Scientific Workers, 1957.
MLA(8版)引用形式Não informado. Scientific World. World Federation of Scientific Workers, 1957.
警告: この引用は必ずしも正確ではありません.