Não informado. (1915). Journal of the Japan Society of Civil Engineers. Japan Society of Civil Engineers.
Chicago-referens (17:e uppl.)Não informado. Journal of the Japan Society of Civil Engineers. Tokyo: Japan Society of Civil Engineers, 1915.
MLA-referens (8:e uppl.)Não informado. Journal of the Japan Society of Civil Engineers. Japan Society of Civil Engineers, 1915.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.