"利尻島" [Rishiri Island]. Nihon Kokugo Daijiten (باليابانية). Tokyo: Shogakukan. 2013. OCLC:56431036. Archived from the original on 2007-08-25. Retrieved 2013-09-10.
"TODO supply a title" 人口 [Population] (باليابانية). Rishirifuji, Hokkaido: Town of Rishirifuji. 2013. Archived from the original on 2018-08-09. Retrieved 2013-09-18.
"利尻島" [Rishiri Island]. Nihon Kokugo Daijiten (باليابانية). Tokyo: Shogakukan. 2013. OCLC:56431036. Archived from the original on 2007-08-25. Retrieved 2013-09-10.
"TODO supply a title" 人口 [Population] (باليابانية). Rishirifuji, Hokkaido: Town of Rishirifuji. 2013. Archived from the original on 2018-08-09. Retrieved 2013-09-18.
"利尻島" [Rishiri Island]. Nihon Kokugo Daijiten (باليابانية). Tokyo: Shogakukan. 2013. OCLC:56431036. Archived from the original on 2007-08-25. Retrieved 2013-09-10.