APA aipamena

Conley, R. W. (1973). The economics of mental retardation. Johns Hopkins University Press.

Chicago Style aipamena

Conley, Ronald W. The Economics of Mental Retardation. Baltimore: Johns Hopkins University Press, 1973.

MLA aipamena

Conley, Ronald W. The Economics of Mental Retardation. Johns Hopkins University Press, 1973.