Não informado. (2004). Journal. Institution of Water Engineers and Scientists.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal. London: Institution of Water Engineers and Scientists, 2004.
Lua MLA (8ú heag.)Não informado. Journal. Institution of Water Engineers and Scientists, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.