APA (7th ed.) Zitazioa
Greenberg, L. S. (2011). Emotion-focused therapy. American Psychological Association.
Chicago Style (17th ed.) Zitazioa
Greenberg, Leslie S. Emotion-focused Therapy. Washington, DC: American Psychological Association, 2011.
MLA (9th ed.) Zitazioa
Greenberg, Leslie S. Emotion-focused Therapy. American Psychological Association, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.