1. Adams, D. M. (1998). Child abuse trauma, family functioning and adolescent depression, hopelessness and suicidal behavior. Dissertation Abstracts International: Section B: The Sciences and Engineering, 58, 5635.
2. Arffa, S. (1983). Cognition and suicide: A methodological review. Suicide and Life-Threatening Behavior, 13, 109–122.
3. Beavers, W. R., Hampson, R. B., & Hulgus, Y. F. (1990). Manual: Beavers Systems Model of Family Assessment. Dallas: Southwest Family Institute.
4. Beck, A. T., Weissman, A., Lester, D., & Trexler, L. (1974). The measurement of pessimism: The Hopelessness Scale. Journal of Consulting and Clinical Psychology, 42, 861–865.
5. Belsky, J., Lerner, R. M., & Spanier, G. B. (1984). The child in the family. Reading: Addison-Wesley.