Não informado. (1952). Journal of mental subnormality. Midland Society of the Study of Mental Subnormality.
Chicago-referens (17:e uppl.)Não informado. Journal of Mental Subnormality. Birmingham, Inglaterra: Midland Society of the Study of Mental Subnormality, 1952.
MLA-referens (8:e uppl.)Não informado. Journal of Mental Subnormality. Midland Society of the Study of Mental Subnormality, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.