Dyfyniad APA

Corey, G. (2001). Theory and practice of counseling and psychotherapy (6th ed.). Stamford, Conn: Brooks/Cole.

Dyfyniad Arddull Chicago

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 6th ed. Stamford, Conn: Brooks/Cole, 2001.

Dyfyniad MLA

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 6th ed. Stamford, Conn: Brooks/Cole, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.