ebrary, Inc, & Kreeger, L. (1994). The large group: Dynamics and therapy. Karnac Books.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Lionel Kreeger. The Large Group: Dynamics and Therapy. London: Karnac Books, 1994.
Lua MLA (9ú heag.)ebrary, Inc, agus Lionel Kreeger. The Large Group: Dynamics and Therapy. Karnac Books, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.