Watson, J. C., R. N. Goldman, and L. S. Greenberg. “Contrasting Two Clients in Emotion-Focused Therapy for Depression 1: The Case of "Tom," ‘Trapped in the Tunnel’”. Pragmatic Case Studies in Psychotherapy, vol. 7, no. 2, June 2011, pp. 268-04, doi:10.14713/pcsp.v7i2.1091.