APA (7th ed.) Zitazioa
Corey, G. (2001). Case approach to counseling and psychotherapy (5th ed.). Brooks/Cole.
Chicago Style (17th ed.) Zitazioa
Corey, Gerald. Case Approach to Counseling and Psychotherapy. 5th ed. Australia: Brooks/Cole, 2001.
MLA (9th ed.) Zitazioa
Corey, Gerald. Case Approach to Counseling and Psychotherapy. 5th ed. Brooks/Cole, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.