Não informado. (2012). Newsletter. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Newsletter. New York: American Society of Civil Engineers, 2012.
Lua MLA (8ú heag.)Não informado. Newsletter. American Society of Civil Engineers, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.