Erwin, E. (1996). Putting children first. Baltimore, MD: Paul H. Brookes Publishing Company.
2.
Sameroff, A. (1981). Longitudinal studies of preterm infants: A review of chapters 17–20. In S. Friedman & M. Sigman (Eds.), Preterm birth and psychological development (pp. 387393). New York: Academic Press.
3.
Schorr, E., & Schorr, D. (1988). Within our reach. New York: Doubleday.
