Corey, G. (2001). Student manual for theory and practice of counseling and psychotherapy (6th ed.). Brooks/Cole Thomson Learning.
Chicago-Zitierstil (17. Ausg.)Corey, Gerald. Student Manual for Theory and Practice of Counseling and Psychotherapy. 6th ed. Australia: Brooks/Cole Thomson Learning, 2001.
MLA-Zitierstil (9. Ausg.)Corey, Gerald. Student Manual for Theory and Practice of Counseling and Psychotherapy. 6th ed. Brooks/Cole Thomson Learning, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.