APA (7th ed.) Zitazioa

Corey, G. (2013). Theory and practice of counseling and psychotherapy (9th ed.). Brooks/Cole / Cengage Learning.

Chicago Style (17th ed.) Zitazioa

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 9th ed. Belmont, CA: Brooks/Cole / Cengage Learning, 2013.

MLA (9th ed.) Zitazioa

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 9th ed. Brooks/Cole / Cengage Learning, 2013.