APA (7th ed.) Zitazioa
European Commission. (2024). Impact of drugs on communities. European Union.
Chicago Style (17th ed.) Zitazioa
European Commission. Impact of Drugs on Communities. Bruselas: European Union, 2024.
MLA (9th ed.) Zitazioa
European Commission. Impact of Drugs on Communities. European Union, 2024.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.