13

M. J. Mahoney and M. Avener, "Psychology of the Elite Athlete: An Exploratory Study", Cognitive Therapy and Research 1, no. 2 (1977): 135–141.

14

Психотерапевты, желающие узнать больше об этом исследовании, могут найти его по данным: J. B. Persons and D. D. Burns, "Mechanisms of Action of Cognitive Therapy: Relative Contributions of Technical and Interpersonal Interventions", Cognitive Therapy and Research 9, no. 5 (1985): 539–551.

15

P. E. Orlinsky и U. I. Howard, Process and Outcome in Psychotherapy, chapter 8, Handbook of Psychotherapy and Behavior Change. S. L. Ossfield and A. E. Bergin, eds. (New York: Wiley, 1986, 3rd edition).