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Lua i Stíl Chicago (17ú heag.)Brabender, Virginia, April Fallon, agus Andrew I. Smolar. Essentials of Group Therapy. Hoboken, N.J.: Wiley, 2004.
Lua MLA (9ú heag.)Brabender, Virginia, et al. Essentials of Group Therapy. Wiley, 2004.
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