APA (7th ed.) Zitazioa

(2008). Security in Space: The next generation. United Nations.

Chicago Style (17th ed.) Zitazioa

Security in Space: The Next Generation. New York: United Nations, 2008.

MLA (9th ed.) Zitazioa

Security in Space: The Next Generation. United Nations, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.