Dyfyniad APA

The World Bank (WB). (2007). Doing business 2008. Washington DC: The World Bank.

Dyfyniad Arddull Chicago

The World Bank (WB). Doing Business 2008. Washington DC: The World Bank, 2007.

Dyfyniad MLA

The World Bank (WB). Doing Business 2008. Washington DC: The World Bank, 2007.

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