Dyfyniad APA
ROCHE, A. (1993). MEDICAL PRACTITIONERS' INVOLVEMENT IN DRUG AND ALCOHOL PROBLEMS: PROGRESS AND BARRIERS.
Dyfyniad Arddull Chicago
ROCHE, A.M. MEDICAL PRACTITIONERS' INVOLVEMENT IN DRUG AND ALCOHOL PROBLEMS: PROGRESS AND BARRIERS. 1993.
Dyfyniad MLA
ROCHE, A.M. MEDICAL PRACTITIONERS' INVOLVEMENT IN DRUG AND ALCOHOL PROBLEMS: PROGRESS AND BARRIERS. 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.