United nations. (1964). Your united nations. United nations.
Dyfyniad Arddull ChicagoUnited nations. Your United Nations. Ney york: United nations, 1964.
Dyfyniad MLAUnited nations. Your United Nations. United nations, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.