Harley, R. (1987). International water power & dam construction handbook. Reed Business Publishing,.
Lua i Stíl Chicago (17ú heag.)Harley, Ross. International Water Power & Dam Construction Handbook. Sutton, Surrey: Reed Business Publishing,, 1987.
Lua MLA (8ú heag.)Harley, Ross. International Water Power & Dam Construction Handbook. Reed Business Publishing,, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.