American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 1994
BARNHILL, G. Asperger syndrome : A study of the cognitive profiles of 37 children and adolescents. Focus on Autism and Other Developmental Disabilities. 2000, 15, 146-153
BARON-COHEN, S. Does the autistic child have a "theory of mind?". Cognition. 1985, 21, 37-46
BARTAK, L. A comparative study of infantile autism and specific developmental receptive language disorder. I. The children. British Journal of Psychiatry. 1975, 126, 127-145
CEDERLUND, M. One hundred males with Asperger syndrome : A clinical study of background and associated factors. Developmental Medicine and Child Neurology. 2004, 46, 652-660