Dyfyniad APA

(1991). Global economic prospects and the developing countries. World Bank.

Dyfyniad Arddull Chicago

Global Economic Prospects and the Developing Countries. Washington: World Bank, 1991.

Dyfyniad MLA

Global Economic Prospects and the Developing Countries. World Bank, 1991.

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