HOWLIN, P. & MOORE, A. (1997) 'Diagnosis in Autism: A Survey of over 1200 Parents', Autism1: 135-162.
2.
KRUG, D.A. , ARICK, J. & ALMOND, P. (1980) 'Behaviour Checklist for Identifying Severely Handicapped Individuals with High Levels of Autistic Disorder', Journal of Child Psychology & Psychiatry21: 221-229.
3.
LORD, C. , RUTTER, M., GOODE, S., HEEMSBERGEN, J., JORDAN, H. & MAWHOOD, L. (1989) 'Autism Diagnostic Observation Schedule: A Standardized Observation of Communicative and Social Behavior', Journal of Autism and Developmental Disorders19: 185-212.
4.
LORD, C. , RUTTER, M. & LECOUTEUR, A. (1994) 'Autism Diagnostic Interview-Revised: A Revised Version of a Diagnostic Interview for Care-Givers of Individuals with Possible Pervasive Developmental Disorders', Journal of Autism and Developmental Disorders24: 659-686.
5.
SCHOP LER, E. , REICHLER, R. J. & RENNER, B.R. (1988) The Childhood Autism Rating Scale. Los Angeles: Western Psychological Services.
6.
WING, L. (1996) 'Autistic Spectrum Disorders', British Medical Journal312: 327-328.
7.
WING, L. & GOULD, J. (1978) 'Systematic Recording of Behaviors and Skills of Retarded and Psychotic Children', Journal of Autism and Childhood Schizophrenia8: 79-97.
