APA (7th ed.) Zitazioa
The ESPAD Group. (2012). ESPAD Report 2015. Results from the European School Survey Project on Alcohol and Other Drugs. European Monitoring Centre on Drugs and Drug Addiction. https://doi.org/10.2810/86718
Chicago Style (17th ed.) Zitazioa
The ESPAD Group. ESPAD Report 2015. Results from the European School Survey Project on Alcohol and Other Drugs. Lisboa: European Monitoring Centre on Drugs and Drug Addiction, 2012. https://doi.org/10.2810/86718.
MLA (9th ed.) Zitazioa
The ESPAD Group. ESPAD Report 2015. Results from the European School Survey Project on Alcohol and Other Drugs. European Monitoring Centre on Drugs and Drug Addiction, 2012. https://doi.org/10.2810/86718.
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