American Society for Testing and Materials & ASTM International. (2007). Standard specification for Copper Trolley Wire. American Society of Testing Materials.
Chicago-referens (17:e uppl.)American Society for Testing and Materials och ASTM International. Standard Specification for Copper Trolley Wire. [Western Conshohocken, Pennsylvania]: American Society of Testing Materials, 2007.
MLA-referens (8:e uppl.)American Society for Testing and Materials och ASTM International. Standard Specification for Copper Trolley Wire. American Society of Testing Materials, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.