MAJEWICZ, Alfred F. Ryukyuan – linguistic status, prestige, endangerment and data availability. Folia Scandinavica Posnaniensia, [S. l.], v. 12, p. 155–169, 2011. Disponível em: https://pressto.amu.edu.pl/index.php/fsp/article/view/3646. Acesso em: 29 mar. 2024.