Não informado. (1963). Mental Retardation. American Association on Mental Deficiency.
Chicagoスタイル(17版)引用形式Não informado. Mental Retardation. Washington: American Association on Mental Deficiency, 1963.
MLA(8版)引用形式Não informado. Mental Retardation. American Association on Mental Deficiency, 1963.
警告: この引用は必ずしも正確ではありません.