1. Achenbach, T. M. (1991). Integrative guide for the 1991 CBCL/4-18, YSR, and TRF profiles. Burlington: Department of Psychiatry, University of Vermont.
2. Achenbach, T. M. (2009). ). The Achenbach system of empirically based assessment (ASEBA): Developmental, findings, theory, and applications. Burlington, VT: University of Vermont Research Center for Children, Youth, & Families.
3. Achenbach, T. M., & Rescorla, L. A. (2000). Manual of ASEBA preschool forms and profiles. Burlington, VT: University of Vermont, Research Center for Children, Youth, and Families.
4. Administration for Children & Families. (2002a). Making a difference in the lives of infants and toddlers and their families: The impacts of early head start. Washington, DC: U.S. Department of Health and Human Services.
5. Administration for Children & Families. (2002b). Making a difference in the lives of infants and toddlers and their families: The impacts of early head start volume II: Final technical report appendixes. Washington, DC: U.S. Department of Health and Human Services.