Dyfyniad APA
DARKE, S., & ET AL. COGNITIVE IMPAIRMENT AMONG METHADONE MAINTENANCE PATIENTS.
Dyfyniad Arddull Chicago
DARKE, S., and ET AL. COGNITIVE IMPAIRMENT AMONG METHADONE MAINTENANCE PATIENTS.
Dyfyniad MLA
DARKE, S., and ET AL. COGNITIVE IMPAIRMENT AMONG METHADONE MAINTENANCE PATIENTS.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.