Não informado. (1977). American transportation builder. American Road Builders Association.
Lua i Stíl Chicago (17ú heag.)Não informado. American Transportation Builder. Washington: American Road Builders Association, 1977.
Lua MLA (8ú heag.)Não informado. American Transportation Builder. American Road Builders Association, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.