Dyfyniad APA

United Nations. (2012). World Economic Situation and Prospects 2012. United Nations.

Dyfyniad Arddull Chicago

United Nations. World Economic Situation and Prospects 2012. New York: United Nations, 2012.

Dyfyniad MLA

United Nations. World Economic Situation and Prospects 2012. United Nations, 2012.

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