Edgerton, R. B. (1979). Mental retardation. Harvard University Press.
Chicagoスタイル(17版)引用形式Edgerton, Robert B. Mental Retardation. Cambridge, Mass.: Harvard University Press, 1979.
MLA(8版)引用形式Edgerton, Robert B. Mental Retardation. Harvard University Press, 1979.
警告: この引用は必ずしも正確ではありません.