APA (7th ed.) Zitazioa
ebrary, Inc, & Dryden, W. (1996). Developments in psychotherapy: Historical perspectives. Sage Publications.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Windy Dryden. Developments in Psychotherapy: Historical Perspectives. London ; Thousand Oaks, Calif.: Sage Publications, 1996.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Windy Dryden. Developments in Psychotherapy: Historical Perspectives. Sage Publications, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.