Corey, G. (2005). Theory and practice of counseling and psychotherapy (7th ed.). Brooks / Cole.
Cita Chicago (17th ed.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 7th ed. Australia: Brooks / Cole, 2005.
Cita MLA (9th ed.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 7th ed. Brooks / Cole, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.