1. Alpern, G. D., Boll, T. J., & Shearer, M. S. (1984). Developmental Profile II. Los Angeles, CA: Western Psychological Services.
2. Developing, implementing, and documenting interventions with parents and young children;Barnard;Zero to Three,1998
3. Barnard, K. E., Morisset, C. E., & Spieker, S. (1993). Preventive interventions: Enhancing parent–infant relationships. In C. H. Zeanah (Ed.), Handbook of infant mental health (pp. 386–401). New York: Guilford Press.
4. Bayley, N. (1993). Bayley Scales of Infant Development. New York: Psychological Corp.
5. Opening the black box;Berlin;Zero to Three,1998