APA (7 वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction. (2020). Impact of COVID-19 on patterns of drug use and drug-related harms in Europe. European Monitoring Centre for Drugs and Drug Addiction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction. Impact of COVID-19 on Patterns of Drug Use and Drug-related Harms in Europe. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction. Impact of COVID-19 on Patterns of Drug Use and Drug-related Harms in Europe. European Monitoring Centre for Drugs and Drug Addiction, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.