APA-ийн эшлэл(7 дахь хэвлэлт)
European Monitoring Centre for Drugs and Drug Addiction , Europol. (2017). Drugs and the darknet. Perspectives for enforcement, research and policy. Publications Office of the European Union.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
European Monitoring Centre for Drugs and Drug Addiction , Europol. Drugs and the Darknet. Perspectives for Enforcement, Research and Policy. Luxemburgo: Publications Office of the European Union, 2017.
MLA -ийн эшлэл (9 дэх хэвлэлт)
European Monitoring Centre for Drugs and Drug Addiction , Europol. Drugs and the Darknet. Perspectives for Enforcement, Research and Policy. Publications Office of the European Union, 2017.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.