APA (7th ed.) Zitazioa
Corey, G. (2005). Theory and practice of counselling and psychotherapy (7th ed.). Brooks/Cole.
Chicago Style (17th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 7th ed. Thomson: Brooks/Cole, 2005.
MLA (9th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 7th ed. Brooks/Cole, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.