Não informado. (1964). Japanese Journal of Special Education. Japanese Association of Special Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Japanese Journal of Special Education. Tokyo: Japanese Association of Special Education, 1964.
MLA-Zitierstil (8. Ausg.)Não informado. Japanese Journal of Special Education. Japanese Association of Special Education, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.