Não informado. (1971). British journal of mental subnormality. British Society for the Study of Mental Subnormality.
Chicago-viite (17. p.)Não informado. British Journal of Mental Subnormality. Birmingham, Inglaterra: British Society for the Study of Mental Subnormality, 1971.
MLA-viite (8. p.)Não informado. British Journal of Mental Subnormality. British Society for the Study of Mental Subnormality, 1971.
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