"波照間島" [Hateruma]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2013. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2013-01-17.
"波照間島" [Hateruma]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2013. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2013-01-17.
"波照間島" [Hateruma]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2013. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2013-01-17.
"波照間島" [Hateruma]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2013. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2013-01-17.
worldcat.org
"波照間島" [Hateruma]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2013. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2013-01-17.
"波照間島" [Hateruma]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2013. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2013-01-17.