Não informado. (1987). American Journal of Mental Retardation. American Association on Mental Retardation.
Chicago-viite (17. p.)Não informado. American Journal of Mental Retardation. Washington: American Association on Mental Retardation, 1987.
MLA-viite (8. p.)Não informado. American Journal of Mental Retardation. American Association on Mental Retardation, 1987.
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