Cita APA

Congress of the International Association for the Scientific Study of Mental Deficiency, & Mittler, P. (1981). Frontiers of knowledge in mental retardation: Fifth Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD). Baltimore: University Park Press.

Citación estilo Chicago

Congress of the International Association for the Scientific Study of Mental Deficiency, y Peter Mittler. Frontiers of Knowledge in Mental Retardation: Fifth Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD). Baltimore: University Park Press, 1981.

Cita MLA

Congress of the International Association for the Scientific Study of Mental Deficiency, y Peter Mittler. Frontiers of Knowledge in Mental Retardation: Fifth Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD). Baltimore: University Park Press, 1981.