APA (7th ed.) Zitazioa
The ESPAD Group. (2020). ESPAD Report 2019. Results from the European School Survey Project on Alcohol and other Drugs. European Monitoring Centre for Drugs and Drug Addiction.
Chicago Style (17th ed.) Zitazioa
The ESPAD Group. ESPAD Report 2019. Results from the European School Survey Project on Alcohol and Other Drugs. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2020.
MLA (9th ed.) Zitazioa
The ESPAD Group. ESPAD Report 2019. Results from the European School Survey Project on Alcohol and Other Drugs. European Monitoring Centre for Drugs and Drug Addiction, 2020.
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