Dyfyniad APA

(2008). Twenty-first century psychotherapies: Contemporary approaches to theory and practice. New Jersey: John Wiley & Sons.

Dyfyniad Arddull Chicago

Twenty-first Century Psychotherapies: Contemporary Approaches to Theory and Practice. New Jersey: John Wiley & Sons, 2008.

Dyfyniad MLA

Twenty-first Century Psychotherapies: Contemporary Approaches to Theory and Practice. New Jersey: John Wiley & Sons, 2008.

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