American Institute of Steel Construction. (1941). Steel construction: A manual for architects, engineers and fabricators of buildings and other steel structures (4th ed., 2nd printing.). American Institute of Steel Construction.
Lua i Stíl Chicago (17ú heag.)American Institute of Steel Construction. Steel Construction: A Manual for Architects, Engineers and Fabricators of Buildings and Other Steel Structures. 4th ed., 2nd printing. New York, N.Y.: American Institute of Steel Construction, 1941.
Lua MLA (8ú heag.)American Institute of Steel Construction. Steel Construction: A Manual for Architects, Engineers and Fabricators of Buildings and Other Steel Structures. 4th ed., 2nd printing. American Institute of Steel Construction, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.