Gilliland, B. E., James, R. K., & Bowman, J. T. (1994). Theories and strategies in counseling and psychotherapy (3rd ed.). Allyn & Bacon.

Gilliland, Burl E., Richard K. James, and James T. Bowman. Theories and Strategies in Counseling and Psychotherapy. 3rd ed. Boston: Allyn & Bacon, 1994.

Gilliland, Burl E., et al. Theories and Strategies in Counseling and Psychotherapy. 3rd ed. Allyn & Bacon, 1994.