Dyfyniad APA
DARKE, S., & ET AL. ESTIMATING DRUG CONSUMPTION IN OPIOID USERS: RELIABILITY AND VALIDITY OF A 'RECENT USE' EPISODES METHOD.
Dyfyniad Arddull Chicago
DARKE, S., and ET AL. ESTIMATING DRUG CONSUMPTION IN OPIOID USERS: RELIABILITY AND VALIDITY OF A 'RECENT USE' EPISODES METHOD.
Dyfyniad MLA
DARKE, S., and ET AL. ESTIMATING DRUG CONSUMPTION IN OPIOID USERS: RELIABILITY AND VALIDITY OF A 'RECENT USE' EPISODES METHOD.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.