Dyfyniad APA

World Meteorological Organization. (1975). WMO.Technical Note: 138.Drought and agriculture. World Meteorological Organization.

Dyfyniad Arddull Chicago

World Meteorological Organization. WMO.Technical Note: 138.Drought and Agriculture. Geneva: World Meteorological Organization, 1975.

Dyfyniad MLA

World Meteorological Organization. WMO.Technical Note: 138.Drought and Agriculture. World Meteorological Organization, 1975.

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