Dyfyniad APA

World Bank. (2004). Environment matters: Annual review. Washington: The World Bank Group.

Dyfyniad Arddull Chicago

World Bank. Environment Matters: Annual Review. Washington: The World Bank Group, 2004.

Dyfyniad MLA

World Bank. Environment Matters: Annual Review. Washington: The World Bank Group, 2004.

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