APA-viite (7. p.)
Corey, G. (2001). Case approach to counseling and psychotherapy (5th ed.). Brooks/Cole.
Chicago-viite (17. p.)
Corey, Gerald. Case Approach to Counseling and Psychotherapy. 5th ed. Australia: Brooks/Cole, 2001.
MLA-viite (9. p.)
Corey, Gerald. Case Approach to Counseling and Psychotherapy. 5th ed. Brooks/Cole, 2001.
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