Dyfyniad APA
Wolpe, J. (1982). The practice of behavior therapy (3rd ed.). Pergamon.
Dyfyniad Arddull Chicago
Wolpe, Joseph. The Practice of Behavior Therapy. 3rd ed. New York: Pergamon, 1982.
Dyfyniad MLA
Wolpe, Joseph. The Practice of Behavior Therapy. 3rd ed. Pergamon, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.