1. Dawson, Geraldine and Julie Osterling (1996). Early Intervention in Autism: Effective and Common Elements of Current Approaches. In Michael J. Guralnick (Ed.) The Effectivenss of Early Intervention: Second Generation Research. Baltimore, MD. Paul H. Brooks Publishing Company
  2. Division TEACCH. Division TEACCH Training Manual. revised January, 1998. Chapel Hill, NC
  3. Division TEACCH, Chapel Hill, NC
  4. Harris, Sandra L. and Jan S. Handleman. Preschool Programs for Children with Autism. Austin, Pro-Ed, 1994
  5. (5)Pratt, Cathy. "Early Intervention: Emerging Best Practices". Autism Society of Wisconsin State Conference. Appleton, Wisconsin. April 14, 2000.
  6. (6)Schopler, Eric and R.J. Reichler (1971). "Parents as Co-therapists in the Treatment of Psychotic Children". Journal of Autism and Childhood Schizophrenia, 1, 87-102