1. Adelman, H.S., & Taylor, L. (1982). Enhancing the motivation and skills needed to overcome interpersonal problems. Learning Disability Quarterly, 5, 438–446.
2. American Psychiatric Association. (1980). Diagnostic and statistical manual of mental disorders (3rd ed.). Washington, DC: Author.
3. American Psychiatric Association. (1987). Diagnostic and statistical manual of mental disorders (3rd ed.-rev.). Washington, DC: Author.
4. Attwood, A., Frith, J., & Hermelin, B. (1988). The understanding and use of interpersonal gestures by autistic and Down’s syndrome children. Journal of Autism and Developmental Disorders, 18, 241–258.
5. Baron-Cohen, S., Leslie, A.M., & Frith, U. (1986). Mechanical, behavioural and intentional understanding of picture stories in autistic children. British Journal of Developmental Psychology, 4, 113–125.