Dyfyniad APA

Corey, G. (1996). Theory and practice of counselling and psychotherapy (5th.ed.). Brooks/Cole.

Dyfyniad Arddull Chicago

Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 5th.ed. Pacific Grove: Brooks/Cole, 1996.

Dyfyniad MLA

Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 5th.ed. Brooks/Cole, 1996.

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