Porter-Efron, R. (1989). Letting go of shame: Understanding how shame affects your life. Hazelden.
Dyfyniad Arddull ChicagoPorter-Efron, Ronald. Letting Go of Shame: Understanding How Shame Affects Your Life. Minneapolis: Hazelden, 1989.
Dyfyniad MLAPorter-Efron, Ronald. Letting Go of Shame: Understanding How Shame Affects Your Life. Hazelden, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.