Dyfyniad APA

FAO. (1979). Watershed development with special reference to soil and water conservation. Rome: FAO.

Dyfyniad Arddull Chicago

FAO. Watershed Development With Special Reference to Soil and Water Conservation. Rome: FAO, 1979.

Dyfyniad MLA

FAO. Watershed Development With Special Reference to Soil and Water Conservation. Rome: FAO, 1979.

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