Não informado. (1976). Highways and Road Construction International. Enbankment Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Highways and Road Construction International. London: Enbankment Press, 1976.
Lua MLA (8ú heag.)Não informado. Highways and Road Construction International. Enbankment Press, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.