Yalom, I. D. (1970). The theory and practice of group psychotherapy. Basic Books.
Cita Chicago (17th ed.)Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. New York: Basic Books, 1970.
Cita MLA (9th ed.)Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. Basic Books, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.