Beker, J. (1972). Critical incidents in child care: A case book for child care workers. New York: Behavioral Publications.
2.
Lamb, M. E. (1997). Fathers and child development: An introductory overview and guide. In M. E. Lamb (Ed.), The role of the father in child development (3rd ed., pp. 1-18). New York: John Wiley.
3.
Maier, H. W. (1979). The core of care: Essential ingredients for the development of children at home and away from home. Child Care Quarterly, 8(3), 161-173.
4.
Minuchin, S. (1974). Families and family therapy. Cambridge, MA: Harvard University Press.