Dyfyniad APA
ebrary, Inc, Simos, G., & Hofmann, S. G. (2013). CBT for anxiety disorders: A practitioner book. Wiley-Blackwell.
Dyfyniad Arddull Chicago
ebrary, Inc, Gregoris Simos, and Stefan G. Hofmann. CBT for Anxiety Disorders: A Practitioner Book. Chichester, West Sussex, U.K., England: Wiley-Blackwell, 2013.
Dyfyniad MLA
ebrary, Inc, et al. CBT for Anxiety Disorders: A Practitioner Book. Wiley-Blackwell, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.