Corey, G. (1986). Theory and practice of counseling and psychotherapy (3rd edition.). Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 3rd edition. Monterey, California: Brooks/Cole, 1986.
Lua MLA (9ú heag.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 3rd edition. Brooks/Cole, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.