APA-referens (7:e uppl.)
Friis, T., & et al. (2021). Exploring drug supply, associated violence and exploitation of vulnerable groups in Denmark. European Monitoring Centre for Drugs and Drug Addiction.
Chicago-referens (17:e uppl.)
Friis, T., och et al. Exploring Drug Supply, Associated Violence and Exploitation of Vulnerable Groups in Denmark. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2021.
MLA-referens (9:e uppl.)
Friis, T., och et al. Exploring Drug Supply, Associated Violence and Exploitation of Vulnerable Groups in Denmark. European Monitoring Centre for Drugs and Drug Addiction, 2021.
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