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