Não informado. (2021). Annual Bulletin of Steel Statistics for Europe, America and Asia. United Nations.
Chicago Style (17th ed.) CitationNão informado. Annual Bulletin of Steel Statistics for Europe, America and Asia. New York: United Nations, 2021.
MLA (8th ed.) CitationNão informado. Annual Bulletin of Steel Statistics for Europe, America and Asia. United Nations, 2021.
Warning: These citations may not always be 100% accurate.