中級アイヌ語―美幌― (Chūkyū Ainu-go - Bihoro, “Intermediate Ainu: Bihoro”)[1] (bằng tiếng Nhật), Sapporo, Hokkaidō: 財団法人アイヌ文化振興・研究推進機構 (Zaidan Hōjin Ainu Bunka Shinkō / Kenkyū Suishin Kikō, “Foundation for the Advancement, Research, and Promotion of Ainu Culture”), 2011
