Não informado. (1905). Railway Engineering and Maintenance. Simmons Boardman Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Railway Engineering and Maintenance. Chicago, Ill: Simmons Boardman Publishing, 1905.
Lua MLA (8ú heag.)Não informado. Railway Engineering and Maintenance. Simmons Boardman Publishing, 1905.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.