Dyfyniad APA

World Bank. (2007). International financial statistics: Yearbook. World Bank.

Dyfyniad Arddull Chicago

World Bank. International Financial Statistics: Yearbook. Washington, D.C.: World Bank, 2007.

Dyfyniad MLA

World Bank. International Financial Statistics: Yearbook. World Bank, 2007.

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