APA-viite (7. p.)
Corey, G. (2017). Theory and practice of counseling and psychotherapy (10th ed.). Cengage Learning.
Chicago-viite (17. p.)
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 10th ed. Belmont, CA: Cengage Learning, 2017.
MLA-viite (9. p.)
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 10th ed. Cengage Learning, 2017.
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