Daniel Long; Keisuke Imamura. The Japanese Language in Palau(PDF). Japan: National Institute for Japanese Language and Linguistics: 46–79. 2013 [2024-12-13]. (原始内容存档(PDF)于2024-08-29) (英语).
Daniel Long; Keisuke Imamura. The Japanese Language in Palau(PDF). Japan: National Institute for Japanese Language and Linguistics: 46–79. 2013 [2024-12-13]. (原始内容存档(PDF)于2024-08-29) (英语).