APA (7th ed.) Zitazioa
Nichols, M. P., & Schwartz, R. C. (1984). Family therapy: Concepts and methods. Gardner Press, INC.
Chicago Style (17th ed.) Zitazioa
Nichols, Michael P., eta Richard C. Schwartz. Family Therapy: Concepts and Methods. London: Gardner Press, INC, 1984.
MLA (9th ed.) Zitazioa
Nichols, Michael P., eta Richard C. Schwartz. Family Therapy: Concepts and Methods. Gardner Press, INC, 1984.
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