APA-viite (7. p.)
Torrens, M., & et al. (2015). Comorbidity of substance use and mental disorders in Europe. European Monitoring Centre for Drugs and Drug Addiction.
Chicago-viite (17. p.)
Torrens, M., ja et al. Comorbidity of Substance Use and Mental Disorders in Europe. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2015.
MLA-viite (9. p.)
Torrens, M., ja et al. Comorbidity of Substance Use and Mental Disorders in Europe. European Monitoring Centre for Drugs and Drug Addiction, 2015.
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