APA Zitierstil

Nichols, M. P., & Schwartz, R. C. (1991). Family therapy: Concepts and methods (Ed.2.).

Chicago Zitierstil

Nichols, Michael P., und Richard C. Schwartz. Family Therapy: Concepts and Methods. Ed.2. Boston, Allyn and Bacon, 1991.

MLA Zitierstil

Nichols, Michael P., und Richard C. Schwartz. Family Therapy: Concepts and Methods. Ed.2. 1991.