Corey, G. (2001). Theory and practice of counseling and psychotherapy (6th ed.). Stamford, Conn: Brooks/Cole.
Chicago ZitierstilCorey, Gerald. Theory and Practice of Counseling and Psychotherapy. 6th ed. Stamford, Conn: Brooks/Cole, 2001.
MLA ZitierstilCorey, Gerald. Theory and Practice of Counseling and Psychotherapy. 6th ed. Stamford, Conn: Brooks/Cole, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.