ZERO TO THREES's Diagnostic Classification Task Force 1994 Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood. S.I. Greenspan and S. Wieder, eds. Washington, DC: ZERO TO THREE: National Center for Infants, Toddlers and Families
Zhou, M., and C.L. Bankston III 1998 Growing Up American: How Vietnamese Children Adapt to Life in the United States. New York: Russell Sage Foundation.
Zigler, E., and P.K. Trickett 1978 IQ, social competence, and the evaluation of early childhood intervention programs. American Psychologist 33(9):789-798.
Zigler, E., and J. Valentine, eds. 1979 Project Head Start: A Legacy of the War on Poverty. New York: Free Press.
Zigler, E., S.L. Kagan, and N.W. Hall, eds. 1996 Children, Families, and Government: Preparing for the Twenty-First Century. New York: Cambridge University Press.
Zito, J.M., D.J. Safer, S. dosReis, J.F. Gardner, M. Boles, and F. Lynch 2000 Trends in the prescribing of psychotropic medications to preschoolers Journal of the American Medical Association 283(8):1025-1030.