Dyfyniad APA
World Bank. (1999). The World Bank: Annual report 1999. The World Bank.
Dyfyniad Arddull Chicago
World Bank. The World Bank: Annual Report 1999. Washington: The World Bank, 1999.
Dyfyniad MLA
World Bank. The World Bank: Annual Report 1999. The World Bank, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.