1. Atwood, T. (2001). Asperger’s syndrome: A guide for parents and professionals. Philadelphia: Jessica Kingsley.
2. California best practice guidelines for ASD providers. http://www.feat.org/LinkClick.aspx?fileticket=u6pwKw%2BLV38%3D&tabid=78&mid=413
3. California Departments of Education and Developmental Services. (1997). Best practices for designing and delivering effective programs for individuals with autistic spectrum disorders. Sacramento: Author.
4. Center for Disease Control Autism Screening. http://www.cdc.gov/ncbddd/autism/hcp-screening.html
5. Coleman, J. G. (1993). The early intervention dictionary. Bethesda: Woodbine House.