APA (7e ed.) Bronvermelding

Corey, G. (2009). Theory and practice of counseling and psychotherapy (Eighth edition.). Thomson/Brooks/Cole.

Chicago (17e ed.) Bronvermelding

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eighth edition. Australia ; Belmont, CA: Thomson/Brooks/Cole, 2009.

MLA (8e ed.) Bronvermelding

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eighth edition. Thomson/Brooks/Cole, 2009.