Não informado. (1969). Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers.
Chicagoスタイル(17版)引用形式Não informado. Proceedings of the Japan Society of Civil Engineers. Tokyo: Japan Society of Civil Engineers, 1969.
MLA(8版)引用形式Não informado. Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers, 1969.
警告: この引用は必ずしも正確ではありません.