Não informado. (1983). ASCE publications information. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. ASCE Publications Information. New York: American Society of Civil Engineers, 1983.
Lua MLA (8ú heag.)Não informado. ASCE Publications Information. American Society of Civil Engineers, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.