APA-viite (7. p.)
Hoffman, L., & Cecchin, G. (2003). Exchanging voices: A collaborative approach to family therapy. Karnac Books.
Chicago-viite (17. p.)
Hoffman, Lynn, ja Gianfranco Cecchin. Exchanging Voices: A Collaborative Approach to Family Therapy. London: Karnac Books, 2003.
MLA-viite (9. p.)
Hoffman, Lynn, ja Gianfranco Cecchin. Exchanging Voices: A Collaborative Approach to Family Therapy. Karnac Books, 2003.
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