Dyfyniad APA

World Bank. (2003). The little green data book 2003. Washington DC: The World Bank.

Dyfyniad Arddull Chicago

World Bank. The Little Green Data Book 2003. Washington DC: The World Bank, 2003.

Dyfyniad MLA

World Bank. The Little Green Data Book 2003. Washington DC: The World Bank, 2003.

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