Template:R:Nishioka-Nakahara

Satoshi Nishioka, Jō Nakahara (2000 December) 沖縄語の入門―たのしいウチナーグチ― [Introduction to Okinawan: Fun Uchināguchi] (in Japanese), revised edition with CD edition, Tokyo: Hakusuisha, published 2006, →ISBN