Dyfyniad APA

American Journal of Psychotherapy (Association for the Advancement of Psychotherapy). Association for the Advancement of Psychotherapy.

Dyfyniad Arddull Chicago

American Journal of Psychotherapy (Association for the Advancement of Psychotherapy). Association for the Advancement of Psychotherapy.

Dyfyniad MLA

American Journal of Psychotherapy (Association for the Advancement of Psychotherapy). Association for the Advancement of Psychotherapy.

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