APA-viite (7. p.)
SHAFER, M., & ET AL. COMPETITIVE EMPLOYMENT AND WORKERS WITH MENTAL RETARDATION: ANALYSIS OF EMPLOYERS' PERCEPTIONS AND EXPERIENCES.
Chicago-viite (17. p.)
SHAFER, M.S, ja ET AL. COMPETITIVE EMPLOYMENT AND WORKERS WITH MENTAL RETARDATION: ANALYSIS OF EMPLOYERS' PERCEPTIONS AND EXPERIENCES.
MLA-viite (9. p.)
SHAFER, M.S, ja ET AL. COMPETITIVE EMPLOYMENT AND WORKERS WITH MENTAL RETARDATION: ANALYSIS OF EMPLOYERS' PERCEPTIONS AND EXPERIENCES.
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