World Meteorological Organization. (1958). Chemical composition of precipitation: Composition chimique des précipitations. WMO.
Dyfyniad Arddull ChicagoWorld Meteorological Organization. Chemical Composition of Precipitation: Composition Chimique Des Précipitations. [Geneva: WMO, 1958.
Dyfyniad MLAWorld Meteorological Organization. Chemical Composition of Precipitation: Composition Chimique Des Précipitations. WMO, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.