Dyfyniad APA

The World Bank. (2009). Global economic prospects: Commodities at the crossroads 2009. Wshington, DC: World Bank.

Dyfyniad Arddull Chicago

The World Bank. Global Economic Prospects: Commodities At the Crossroads 2009. Wshington, DC: World Bank, 2009.

Dyfyniad MLA

The World Bank. Global Economic Prospects: Commodities At the Crossroads 2009. Wshington, DC: World Bank, 2009.

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