Dyfyniad APA
Nichols, M. P., & Davis, S. D. (2017). Family therapy: Concepts and methods (11th ed.). Pearson.
Dyfyniad Arddull Chicago
Nichols, Michael P., and Sean D. Davis. Family Therapy: Concepts and Methods. 11th ed. Boston: Pearson, 2017.
Dyfyniad MLA
Nichols, Michael P., and Sean D. Davis. Family Therapy: Concepts and Methods. 11th ed. Pearson, 2017.
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