Sellin, D. F. (1979). Mental retardation: Nature, needs and advocacy. Allyn and Bacon.
Chicagoスタイル(17版)引用形式Sellin, Donald F. Mental Retardation: Nature, Needs and Advocacy. Boston: Allyn and Bacon, 1979.
MLA(9版)引用形式Sellin, Donald F. Mental Retardation: Nature, Needs and Advocacy. Allyn and Bacon, 1979.
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