Crawley, S. W. (1984). Steel building (3rd Ed.). John Wiley.
Chicago Style aipamenaCrawley, Stanley W. Steel Building. 3rd Ed. New York: John Wiley, 1984.
MLA aipamenaCrawley, Stanley W. Steel Building. 3rd Ed. John Wiley, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.