National Institute of Child Health and Human Development (U.S.), Rose F. Kennedy Center for Research in Mental Retardation and Human Development, Begab, M. J., & Richardson, S. A. (1975). The Mentally retarded and society: A social science perspective. University Park Press.
Chicago Style (17. basım) AtıfNational Institute of Child Health and Human Development (U.S.), Rose F. Kennedy Center for Research in Mental Retardation and Human Development, Michael J. Begab, ve Stephen A. Richardson. The Mentally Retarded and Society: A Social Science Perspective. Baltimore: University Park Press, 1975.
MLA (8th ed.) AtıfNational Institute of Child Health and Human Development (U.S.), et al. The Mentally Retarded and Society: A Social Science Perspective. University Park Press, 1975.