Não informado. (1964). Japanese Journal of Special Education. Japanese Association of Special Education.
Citação do estilo Chicago (17ª ed.)Não informado. Japanese Journal of Special Education. Tokyo: Japanese Association of Special Education, 1964.
Citação MLA (8ª ed.)Não informado. Japanese Journal of Special Education. Japanese Association of Special Education, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.