APA-viite (7. p.)
Royuela, L., & ET AL. (2014). Drug use in prison: Assessment report. Reviewing tools for monitoring illicit drug use in prison populations in Europe. European Monitoring Centre for Drugs and Drug Addiction.
Chicago-viite (17. p.)
Royuela, L., ja ET AL. Drug Use in Prison: Assessment Report. Reviewing Tools for Monitoring Illicit Drug Use in Prison Populations in Europe. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2014.
MLA-viite (9. p.)
Royuela, L., ja ET AL. Drug Use in Prison: Assessment Report. Reviewing Tools for Monitoring Illicit Drug Use in Prison Populations in Europe. European Monitoring Centre for Drugs and Drug Addiction, 2014.
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