Não informado. (1990). Dam Engineering. Reed Business Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Dam Engineering. Surrey, Inglaterra: Reed Business Publishing, 1990.
Lua MLA (8ú heag.)Não informado. Dam Engineering. Reed Business Publishing, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.