APA-viite (7. p.)

O'Brien, J. (1986). Discovering community: Learning from innovations in services to people with mental retardation. s.n..

Chicago-viite (17. p.)

O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. [Massachusetts: s.n., 1986.

MLA-viite (8. p.)

O'Brien, John. Discovering Community: Learning from Innovations in Services to People with Mental Retardation. s.n., 1986.