1. Bakeman, R., & Gottman, J. M. (1986). Observing interaction: An introduction to sequential analysis. New York: Cambridge University Press.
2. Baruch, D. E., Kanter, J. W., Busch, A. M., Plummer, M. D., Tsai, M., Rusch, L. C., et al. (2008). Lines of evidence in support of FAP. In M. Tsai, R. J. Kohlenberg, J. W. Kanter, B. Kohlenberg, W. C. Follette, & G. M. Callaghan (Eds.), A guide to FAP: Using awareness, courage, love and behaviorism. New York, NY: Springer.
3. Beck, A. T., Ward, C. H., Mendelson, M., Mock, J., & Erbaugh, J. (1961). An inventory for measuring depression. Archives of General Psychiatry, 4, 561–571.
4. Callaghan, G. M., & Ruckstuhl, L. E. (2000). Manual for the functional analytic psychotherapy rating scale (version 2). Unpublished manual.
5. Callaghan, G. M., Ruckstuhl, L. E., & Busch, A. M. (2005). Manual for the functional analytic psychotherapy rating scale (version 3). Unpublished manual.