Não informado. (1876). American journal of mental deficiency. American Association on Mental Deficiency.
Lua i Stíl Chicago (17ú heag.)Não informado. American Journal of Mental Deficiency. Washington: American Association on Mental Deficiency, 1876.
Lua MLA (8ú heag.)Não informado. American Journal of Mental Deficiency. American Association on Mental Deficiency, 1876.
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