Dyfyniad APA

World Bank. (2001). China: Air, land, and water. World Bank.

Dyfyniad Arddull Chicago

World Bank. China: Air, Land, and Water. Washington, D.C: World Bank, 2001.

Dyfyniad MLA

World Bank. China: Air, Land, and Water. World Bank, 2001.

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