APA-referens (7:e uppl.)
American Society for Testing and Materials. Committee A-1 on Steel, Stainless Steel, and Related Alloys, Symposium on Steel Forgings, Nisbett, E. G., & Melilli, A. S. (1997). Steel forgings. ASTM.
Chicago-referens (17:e uppl.)
American Society for Testing and Materials. Committee A-1 on Steel, Stainless Steel, and Related Alloys, Symposium on Steel Forgings, Edward G. Nisbett, och Albert S. Melilli. Steel Forgings. West Conshohocken, PA: ASTM, 1997.
MLA-referens (9:e uppl.)
American Society for Testing and Materials. Committee A-1 on Steel, Stainless Steel, and Related Alloys, et al. Steel Forgings. ASTM, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.