1. Ambrosini, P. J. & Dixon, J. F. (2000). Schedule for affective disorders & schizophrenia for school age children (6–18 years)—Kiddie-SADS (K-SADS) (present state and lifetime version) K-SADS-IVR (Revision of K-SADS-IIIR). Unpublished manuscript. Philadelphia, PA: Eastern Pennsylvania Psychiatric Institute.
2. Barrett, P. M., & Pahl, K. M. (2006). School-based intervention: Examining a universal approach to anxiety management. Australian Journal of Guidance and Counseling, 16(1), 55–75.
3. Beck, J. (1995). Cognitive therapy: Basics & beyond. New York: Guilford.
4. Beck, A. T., Rush, A. J., Shaw, B. F., & Emery, G. (1979). Cognitive therapy of depression. New York: Guilford.
5. Beck, A. T., Ward, C., Mendelson, M., Mock, J., & Erbaugh, J. (1961). An inventory for measuring depression. Archives of General Psychiatry, 4, 561–571.