Não informado. (2004). Engineering News-Record. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering News-Record. New York: McGraw-Hill, 2004.
Lua MLA (8ú heag.)Não informado. Engineering News-Record. McGraw-Hill, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.