Não informado. (2020). Iron Age: The management magazine for metal producers. Fairchild Publications.
Chicago-referens (17:e uppl.)Não informado. Iron Age: The Management Magazine for Metal Producers. New York: Fairchild Publications, 2020.
MLA-referens (8:e uppl.)Não informado. Iron Age: The Management Magazine for Metal Producers. Fairchild Publications, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.