Dyfyniad APA

The World Bank. (2008). The little data book 2008. Washington, D.C: The World Bank.

Dyfyniad Arddull Chicago

The World Bank. The Little Data Book 2008. Washington, D.C: The World Bank, 2008.

Dyfyniad MLA

The World Bank. The Little Data Book 2008. Washington, D.C: The World Bank, 2008.

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