APA (7th ed.) Zitazioa

European Commission. (2008). Oil Spill in the Kerch Strait: Ukraine Post-Disaster Needs Assessment.

Chicago Style (17th ed.) Zitazioa

European Commission. Oil Spill in the Kerch Strait: Ukraine Post-Disaster Needs Assessment. 2008.

MLA (9th ed.) Zitazioa

European Commission. Oil Spill in the Kerch Strait: Ukraine Post-Disaster Needs Assessment. 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.