Não informado. (2001). Journal of Japanese Society of Grassland Science. Japanese Society of Grassland Science.
Chicago-referens (17:e uppl.)Não informado. Journal of Japanese Society of Grassland Science. Tochigi, Japão: Japanese Society of Grassland Science, 2001.
MLA-referens (8:e uppl.)Não informado. Journal of Japanese Society of Grassland Science. Japanese Society of Grassland Science, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.