APA(7版)引用形式

Não informado. (1950). Quarterly Bulletin of Steel Statistics for Europe. United Nations, Economic Commission for Europe.

Chicagoスタイル(17版)引用形式

Não informado. Quarterly Bulletin of Steel Statistics for Europe. Geneve, Suíça: United Nations, Economic Commission for Europe, 1950.

MLA(8版)引用形式

Não informado. Quarterly Bulletin of Steel Statistics for Europe. United Nations, Economic Commission for Europe, 1950.

警告: この引用は必ずしも正確ではありません.