(1967). Handbook Of Steel Drainage & Highway Constructions Products. American Iron and steel Institute.
Chicago-referens (17:e uppl.)Handbook Of Steel Drainage & Highway Constructions Products. American Iron and steel Institute, 1967.
MLA-referens (8:e uppl.)Handbook Of Steel Drainage & Highway Constructions Products. American Iron and steel Institute, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.