APA(7版)引用形式

Não informado. (2021). Annual Bulletin of Steel Statistics for Europe, America and Asia. United Nations.

Chicagoスタイル(17版)引用形式

Não informado. Annual Bulletin of Steel Statistics for Europe, America and Asia. New York: United Nations, 2021.

MLA(8版)引用形式

Não informado. Annual Bulletin of Steel Statistics for Europe, America and Asia. United Nations, 2021.

警告: この引用は必ずしも正確ではありません.