APA
European Monitoring Centre for Drugs and Drug Addiction [EMCDDA], . (2021). Opioids: health and social responses [PDF]. Lisbon: EMCDDA.
Chicago
European Monitoring Centre for Drugs and Drug Addiction [EMCDDA], . 2021. Opioids: health and social responses [PDF]. Lisbon: EMCDDA.
Harvard
European Monitoring Centre for Drugs and Drug Addiction [EMCDDA], . (2021). Opioids: health and social responses [PDF]. Lisbon: EMCDDA.
MLA
European Monitoring Centre for Drugs and Drug Addiction [EMCDDA], . Opioids: health and social responses [PDF]. Lisbon: EMCDDA. 2021.