1. American Psychiatric Association (1983).Diagnostic and statistical manual of mental disorders (3rd ed.). Washington, DC: Author.
2. Ciarlo, J.A., Edwards, D.W., Kiresuk, T.J., Newman, F.L., & Brown, T.R. (1981).The assessment of client/patient outcome techniques for use in mental health programs (Contract No. 278-80-0005), Washington, DC: National Institute of Mental Health.
3. Cronbach, L.J., Gleser, G.C., Nanda, H., & Rajaratnam, N. (1972).The dependability of behavioral measurements: Theory of generalizability for scores and profiles. New York, John Wiley & Sons.
4. Edwards, W., Guttentag, M., & Snapper, K. (1975). A decision-theoretic approach to evaluation research. In E.L. Struening & M. Guttentag (Eds.),Handbook of evaluation research (Vol. 1). Beverly Hills, CA: Sage Publications.
5. Edwards, W. & Newman, J.R. (1982).Multiattribute evaluation. Beverly Hills, CA: Sage Publications.