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Dyfyniad Arddull ChicagoFoulkes, S. H. Introduction to Group-analytic Psychotherapy: Studies in the Social Integration of Individuals and Groups. London: Karnac, 2005.
Dyfyniad MLAFoulkes, S. H. Introduction to Group-analytic Psychotherapy: Studies in the Social Integration of Individuals and Groups. Karnac, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.