Não informado. (1957). American road builder. American Road Builders Association.
Lua i Stíl Chicago (17ú heag.)Não informado. American Road Builder. Washington: American Road Builders Association, 1957.
Lua MLA (8ú heag.)Não informado. American Road Builder. American Road Builders Association, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.