Dyfyniad APA

WMO. WMO: Applications of Hydrology to Water Resource Management. WMO.

Dyfyniad Arddull Chicago

WMO. WMO: Applications of Hydrology to Water Resource Management. Switzerland: WMO.

Dyfyniad MLA

WMO. WMO: Applications of Hydrology to Water Resource Management. WMO.

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