Não informado. (2020). Special Report. Iron and Steel Institute.
Chicagoスタイル(17版)引用形式Não informado. Special Report. London: Iron and Steel Institute, 2020.
MLA(8版)引用形式Não informado. Special Report. Iron and Steel Institute, 2020.
警告: この引用は必ずしも正確ではありません.