Não informado. (1876). American journal of mental deficiency. American Association on Mental Deficiency.
Chicago-referens (17:e uppl.)Não informado. American Journal of Mental Deficiency. Washington: American Association on Mental Deficiency, 1876.
MLA-referens (8:e uppl.)Não informado. American Journal of Mental Deficiency. American Association on Mental Deficiency, 1876.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.