Porter-Efron, R. (1989). Letting go of shame: Understanding how shame affects your life. Hazelden.
Chicago-viite (17. p.)Porter-Efron, Ronald. Letting Go of Shame: Understanding How Shame Affects Your Life. Minneapolis: Hazelden, 1989.
MLA-viite (9. p.)Porter-Efron, Ronald. Letting Go of Shame: Understanding How Shame Affects Your Life. Hazelden, 1989.
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