APA (7e ed.) Bronvermelding

Yalom, I. D. (1970). The theory and practice of group psychotherapy. Basic Books.

Chicago (17e ed.) Bronvermelding

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. New York: Basic Books, 1970.

MLA (9e ed.) Bronvermelding

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. Basic Books, 1970.