Não informado. (1961). Modern Steel Construction. American Institute of Steel Construction.
Lua i Stíl Chicago (17ú heag.)Não informado. Modern Steel Construction. Chicago, Ill: American Institute of Steel Construction, 1961.
Lua MLA (8ú heag.)Não informado. Modern Steel Construction. American Institute of Steel Construction, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.