1. Albanese, M. T., & Knott, M. (1990). Twomiss: A computer program for fitting a one- or two- factor logit-probit latent variable model to binary data when observations may be missing. London, UK: London School of Economics and Political Sciences.
2. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental Disorders—Fourth Edition (DSM-IV). Washington: American Psychiatric Association.
3. Angold, A., Costello, E. J., Messer, S. C., Pickles, A., Winder, F., & Silver, D. (1995). Development of a short questionnaire for use in epidemiological studies of depression in children and adolescents. International Journal of Methods in Psychiatric Research, 5, 237–249.
4. Angold, A., Costello, E. J., Pickles, A., & Winder, F. (1987). The development of a questionnaire for use in epidemiological studies of depression in children and adolescents. London: Medical Research Council Child Psychiatry Unit.
5. Angold, A., Erkanli, A., Silberg, J., Eaves, L., & Costello, E. J. (2002). Depression scale scores in 8–17-year-olds: Effects of age and gender. Journal of Child Psychology and Psychiatry, 43, 1052–1063.