Não informado. (1991). Structural Engineering International. International Association for Bridge and Structural Engineering.
Chicagoスタイル(17版)引用形式Não informado. Structural Engineering International. Zurich, Suíça: International Association for Bridge and Structural Engineering, 1991.
MLA(8版)引用形式Não informado. Structural Engineering International. International Association for Bridge and Structural Engineering, 1991.
警告: この引用は必ずしも正確ではありません.