O'Brien, J. (1986). Discovering community: Learning from innovations in services to people with mental retardation. s.n..
Citace podle Chicago (17th ed.)O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. [Massachusetts: s.n., 1986.
Citace podle MLA (8th ed.)O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. s.n., 1986.
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