APA (7th ed.) Zitazioa
Nichols, M. P., & Schwartz, R. C. (2001). Family therapy: Concepts and Methods (5th ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Nichols, Michael P., eta Richard C. Schwartz. Family Therapy: Concepts and Methods. 5th ed. Boston: Allyn and Bacon, 2001.
MLA (9th ed.) Zitazioa
Nichols, Michael P., eta Richard C. Schwartz. Family Therapy: Concepts and Methods. 5th ed. Allyn and Bacon, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.