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Lua i Stíl Chicago (17ú heag.)O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. [Massachusetts: s.n., 1986.
Lua MLA (8ú heag.)O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. s.n., 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.