CRAWLEY, s. W. (1984). Steel Buildings Analysis And Design. John Wiley.
Lua i Stíl Chicago (17ú heag.)CRAWLEY, stanley W. Steel Buildings Analysis And Design. John Wiley, 1984.
Lua MLA (8ú heag.)CRAWLEY, stanley W. Steel Buildings Analysis And Design. John Wiley, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.