APA (7th ed.) Zitazioa

(1985). Toward an international policy of environmental research. minister de l'environnment.

Chicago Style (17th ed.) Zitazioa

Toward an International Policy of Environmental Research. Paris: minister de l'environnment, 1985.

MLA (9th ed.) Zitazioa

Toward an International Policy of Environmental Research. minister de l'environnment, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.