APA-viite (7. p.)
Corey, G. (2013). Theory and practice of counseling and psychotherapy (9th ed.). Brooks/Cole / Cengage Learning.
Chicago-viite (17. p.)
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 9th ed. Belmont, CA: Brooks/Cole / Cengage Learning, 2013.
MLA-viite (9. p.)
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 9th ed. Brooks/Cole / Cengage Learning, 2013.
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