Dyfyniad APA

(2011). World Economic Situation and Prospects 2012. United Nations.

Dyfyniad Arddull Chicago

World Economic Situation and Prospects 2012. New York: United Nations, 2011.

Dyfyniad MLA

World Economic Situation and Prospects 2012. United Nations, 2011.

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