Dyfyniad APA
British Association of Psychotherapists. Clinical Service, ebrary, Inc, Cooper, J., Alfillé, H., & Tonnesmann, M. (2005). Assessment in psychotherapy. Karnac Books.
Dyfyniad Arddull Chicago
British Association of Psychotherapists. Clinical Service, Inc ebrary, Judy Cooper, Helen Alfillé, and Margret Tonnesmann. Assessment in Psychotherapy. London: Karnac Books, 2005.
Dyfyniad MLA
British Association of Psychotherapists. Clinical Service, et al. Assessment in Psychotherapy. Karnac Books, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.