Dyfyniad APA

Gratzer, D., & Goldbloom, D. (2017). Psychotherapy: Evidence First. Can J Psychiatry.

Dyfyniad Arddull Chicago

Gratzer, David, and David Goldbloom. "Psychotherapy: Evidence First." Can J Psychiatry 2017.

Dyfyniad MLA

Gratzer, David, and David Goldbloom. "Psychotherapy: Evidence First." Can J Psychiatry 2017.

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