Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.