APA

International Association for the Scientific Study of Mental Deficiency, Mittler P. J., . (1977). Research to practice in mental retardation: [proceedings of the fourth congress of the International Association for the Scientific Study of Mental Deficiency, Washington, D.C., U.S.A., 22-27 August, 1976, the American University]. Baltimore: University Park Press.

Chicago

International Association for the Scientific Study of Mental Deficiency, Mittler Peter J, . 1977. Research to practice in mental retardation: [proceedings of the fourth congress of the International Association for the Scientific Study of Mental Deficiency, Washington, D.C., U.S.A., 22-27 August, 1976, the American University]. Baltimore: University Park Press.

Harvard

International Association for the Scientific Study of Mental Deficiency, Mittler P. J., . (1977). Research to practice in mental retardation: [proceedings of the fourth congress of the International Association for the Scientific Study of Mental Deficiency, Washington, D.C., U.S.A., 22-27 August, 1976, the American University]. Baltimore: University Park Press.

MLA

International Association for the Scientific Study of Mental Deficiency, Mittler Peter J, . Research to practice in mental retardation: [proceedings of the fourth congress of the International Association for the Scientific Study of Mental Deficiency, Washington, D.C., U.S.A., 22-27 August, 1976, the American University]. Baltimore: University Park Press. 1977.