توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.