APA-viite (7. p.)
BENZ, M., & HALPERN, A. (1987). REHABILITATION OF ELDERLY MENTALLY RETARDED PERSONS: SERVICE NEEDS AND OBSTACLES. UNIVERSITY OF OREGON.
Chicago-viite (17. p.)
BENZ, M.R, ja A.S HALPERN. REHABILITATION OF ELDERLY MENTALLY RETARDED PERSONS: SERVICE NEEDS AND OBSTACLES. OREGON (USA): UNIVERSITY OF OREGON, 1987.
MLA-viite (9. p.)
BENZ, M.R, ja A.S HALPERN. REHABILITATION OF ELDERLY MENTALLY RETARDED PERSONS: SERVICE NEEDS AND OBSTACLES. UNIVERSITY OF OREGON, 1987.
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