Não informado. (2011). Nogyo Doboku Gakkai Rombunshu. Japanese Society of Irrigation, Drainage and Reclamation Engineering.
Chicago-referens (17:e uppl.)Não informado. Nogyo Doboku Gakkai Rombunshu. Tokyo: Japanese Society of Irrigation, Drainage and Reclamation Engineering, 2011.
MLA-referens (8:e uppl.)Não informado. Nogyo Doboku Gakkai Rombunshu. Japanese Society of Irrigation, Drainage and Reclamation Engineering, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.