Não informado. (2004). Civil Engineering and Environmental Systems. Gordon and Breach Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Civil Engineering and Environmental Systems. Amsterdam: Gordon and Breach Science Publishers, 2004.
Lua MLA (8ú heag.)Não informado. Civil Engineering and Environmental Systems. Gordon and Breach Science Publishers, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.