APA aipamena

The United Nations at 50 notes for speakers. United Nations. Department of Public Information.

Chicago Style aipamena

The United Nations at 50 Notes for Speakers. United Nations. Department of Public Information.

MLA aipamena

The United Nations at 50 Notes for Speakers. United Nations. Department of Public Information.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.