APA (7 वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction & Europol. (2019). EU Drug Markets Report 2019. European Monitoring Centre for Drugs and Drug Addiction Europol.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction और Europol. EU Drug Markets Report 2019. European Monitoring Centre for Drugs and Drug Addiction Europol, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
European Monitoring Centre for Drugs and Drug Addiction और Europol. EU Drug Markets Report 2019. European Monitoring Centre for Drugs and Drug Addiction Europol, 2019.
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