Não informado. (1969). Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. Proceedings of the Japan Society of Civil Engineers. Tokyo: Japan Society of Civil Engineers, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.