Não informado. (1961). Modern Steel Construction. American Institute of Steel Construction.
Chicago-Zitierstil (17. Ausg.)Não informado. Modern Steel Construction. Chicago, Ill: American Institute of Steel Construction, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Modern Steel Construction. American Institute of Steel Construction, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.