1. Alford, B. A. (1991). Integration of scientific criteria into the psychotherapy integration movement. Journal of Behavior Therapy and Experimental Psychiatry, 22, 211–216.
2. Alford, B. A., & Norcross, J. C. (1991). Cognitive therapy as integrative therapy. Journal of Psychotherapy Integration, 1(3), 175–190.
3. Alford, B. A., Beck, A. T., Freeman, A., & Wright, F. D. (1990). Brief focused cognitive therapy of panic disorder. Psychotherapy, 27(2), 230–234.
4. Beck, A. T. (1985). Theoretical perspectives on clinical anxiety. In A. H. Tuma & J. Maser (Eds.), Anxiety and the anxiety disorders (pp. 183–196). Hillsdale, NJ: Lawrence Erlbaum.
5. Beck, A. T. (1991). Cognitive therapy as the integrative therapy: Comments on Alford and Norcross. Journal of Psychotherapy Integration, 1(3), 191–198.