Garfield, S. L. (1986). Handbook of psychotherapy and behavior change: An empirical analysis (3rd ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Garfield, Sol L. Handbook of Psychotherapy and Behavior Change: An Empirical Analysis. 3rd ed. New York: John Wiley & Sons, 1986.
Cita MLA (9th ed.)Garfield, Sol L. Handbook of Psychotherapy and Behavior Change: An Empirical Analysis. 3rd ed. John Wiley & Sons, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.