1. What's Normal Adolescent?: A Guide of the Assessment of Adolescent Behavior
2. Comerci GD, Lightner ES, Hansen RC Adolescent case studies. Garden City, New York . Medical Examination Publishing Co. Inc. 1979:13.
3. Hoffman AD, Becker RD, Gabriel HP The hospitalized adolescent: a guide to managing the ill and injured youth . New York: The Free Press . 1976:12-3.
4. Gallagher JR , Harris HI Emotional problems of adolescents. New York: Oxford University Press (3rd ed.) 1976:10.