Não informado. (1978). The Structural Engineer. Institution of Structural Engineers.
Chicagoスタイル(17版)引用形式Não informado. The Structural Engineer. London: Institution of Structural Engineers, 1978.
MLA(8版)引用形式Não informado. The Structural Engineer. Institution of Structural Engineers, 1978.
警告: この引用は必ずしも正確ではありません.