Dyfyniad APA
Nichols, M. P., & Schwartz, R. C. (2006). Family therapy: Concepts and methods (7th ed.). Pearson.
Dyfyniad Arddull Chicago
Nichols, Michael P., and Richard C. Schwartz. Family Therapy: Concepts and Methods. 7th ed. Boston: Pearson, 2006.
Dyfyniad MLA
Nichols, Michael P., and Richard C. Schwartz. Family Therapy: Concepts and Methods. 7th ed. Pearson, 2006.
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