Não informado. (1993). New Steel Construction. British Constructional Steelwork Association.
Chicagoスタイル(17版)引用形式Não informado. New Steel Construction. Birmingham, Inglaterra: British Constructional Steelwork Association, 1993.
MLA(8版)引用形式Não informado. New Steel Construction. British Constructional Steelwork Association, 1993.
警告: この引用は必ずしも正確ではありません.