Não informado. (1888). Engineering news and american railway journal. McGraw-Hill.
Chicago-referens (17:e uppl.)Não informado. Engineering News and American Railway Journal. New York: McGraw-Hill, 1888.
MLA-referens (8:e uppl.)Não informado. Engineering News and American Railway Journal. McGraw-Hill, 1888.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.