Não informado. (2001). Journal of Japanese Society of Grassland Science. Japanese Society of Grassland Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Japanese Society of Grassland Science. Tochigi, Japão: Japanese Society of Grassland Science, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Japanese Society of Grassland Science. Japanese Society of Grassland Science, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.