Dyfyniad APA
World Bank & ebrary, Inc. (2013). International debt statistics. World Bank.
Dyfyniad Arddull Chicago
World Bank and Inc ebrary. International Debt Statistics. Washington, D. C.: World Bank, 2013.
Dyfyniad MLA
World Bank and Inc ebrary. International Debt Statistics. World Bank, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.