APA (7e ed.) Bronvermelding

Corey, G. (1986). Theory and practice of counseling and psychotherapy (3rd edition.). Brooks/Cole.

Chicago (17e ed.) Bronvermelding

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 3rd edition. Monterey, California: Brooks/Cole, 1986.

MLA (9e ed.) Bronvermelding

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 3rd edition. Brooks/Cole, 1986.