Wolberg, L. R. (1988). The technique of psychotherapy (4th ed.). Grune & Stratton.
Cita Chicago (17th ed.)Wolberg, Lewis R. The Technique of Psychotherapy. 4th ed. New York: Grune & Stratton, 1988.
Cita MLA (9th ed.)Wolberg, Lewis R. The Technique of Psychotherapy. 4th ed. Grune & Stratton, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.