Dyfyniad APA

United Nations. (1964). World economic survey 1963: Current economic developments. United Nations.

Dyfyniad Arddull Chicago

United Nations. World Economic Survey 1963: Current Economic Developments. New York: United Nations, 1964.

Dyfyniad MLA

United Nations. World Economic Survey 1963: Current Economic Developments. United Nations, 1964.

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