1. American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed., text rev.). Washington: Author.
2. Anderson, A., Moore, D. W., & Bourne, T. (2007). Functional communication and other concomitant behavior change following PECS training: A case study. Behavior Change, 24, 173–181.
3. Attwood, T. (2007). The complete guide to Asperger’s syndrome. London: Jessica Kingsley Publishers.
4. Ayers, K., & Langone, J. (2005). Intervention and instruction with video for students with autism: A review of the literature. Education and Training in Developmental Disabilities, 40, 183–196.
5. Ayres, K. M., Maguire, A., & McClimon, D. (2009). Acquisition and generalization of chained tasks taught with computer-based video instruction to children with autism. Education and Training in Developmental Disabilities, 44, 493–508.