Dyfyniad APA

FAO. (2003). Review of world water resources by country. Rome, Italy: FAO.

Dyfyniad Arddull Chicago

FAO. Review of World Water Resources By Country. Rome, Italy: FAO, 2003.

Dyfyniad MLA

FAO. Review of World Water Resources By Country. Rome, Italy: FAO, 2003.

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