Não informado. (1976). IRRI Research Paper Series. International Rice Research Institute.
Chicago-referens (17:e uppl.)Não informado. IRRI Research Paper Series. Manila: International Rice Research Institute, 1976.
MLA-referens (8:e uppl.)Não informado. IRRI Research Paper Series. International Rice Research Institute, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.