1. American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed., text rev.). Washington, DC: American Psychiatric Association.
2. Asperger, H. (1991). Autistic psychopathy in childhood. In U. Frith (Ed., Trans.). Autism and Asperger syndrome. Cambridge: Cambridge University Press (original work published in 1944).
3. Assouline, S. G., & Foley Nicpon, M. (2007). Twice-exceptional learners: Implications for the classroom. NAGC Communiqué Teaching for High Potential, Spring, 9–13.
4. Assouline, S. G., Foley Nicpon, M., & Doobay, A. (2009). Profoundly gifted girls and autism spectrum disorder: A psychometric case study comparison. Gifted Child Quarterly, 53(2), 89–106.
5. Beery, K. E., & Beery N. A. (2004). Beery VMI: Administration, scoring, and teaching manual. Minneapolis, MN: NCS Pearson.