Foulkes, S. H. (1957). Group Psychotherapy: The Psycho-Analytic Approach. Harmondsworth, Middlesex: Penguin Books.
Trích dẫn kiểu ChicagoFoulkes, S. H. Group Psychotherapy: The Psycho-Analytic Approach. Harmondsworth, Middlesex: Penguin Books, 1957.
Deismireacht MLAFoulkes, S. H. Group Psychotherapy: The Psycho-Analytic Approach. Harmondsworth, Middlesex: Penguin Books, 1957.
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