1. Achenbach, T. M., and Edelbrock, C. S. (1983). Taxonomic issues in child psychopathology. In Ollendick, T. H., and Herson, M. (eds.).Handbook of Child Psychopathology. New York, Plenum Press.
2. American Psychiatric Association. (1980).Diagnostic and Statistical Manual of Mental Disorders (3rd ed.). American Psychiatric Association, Washington, DC.
3. American Psychiatric Association. (1987).Diagnostic and statistical manual of mental disorders (3rd ed. ? revised). American Psychiatric Association, Washington, DC.
4. Bernstein, G. A., and Garfinkel, B. D. (1986). School phobia: the overlap of affective and anxiety disorders.J. Am. Acad. Child Psychiatr. 25: 235?241.
5. Cantwell, D. P. (1975). A model for the investigation of psychiatric disorders of childhood: It's application in genetic studies of the hyperkinetic syndrome. In Antony, E. J. (ed.).Explorations in Child Psychiatry. Plenum, New York.