Não informado. (1905). Railway Engineering and Maintenance. Simmons Boardman Publishing.
Chicago-referens (17:e uppl.)Não informado. Railway Engineering and Maintenance. Chicago, Ill: Simmons Boardman Publishing, 1905.
MLA-referens (8:e uppl.)Não informado. Railway Engineering and Maintenance. Simmons Boardman Publishing, 1905.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.