APA (7th ed.) Zitazioa

Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.

Chicago Style (17th ed.) Zitazioa

Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.

MLA (9th ed.) Zitazioa

Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.