Dyfyniad APA

(2001). Global estimates of gaseous emissions of NH3, NO and N2O From agrcultural land. Rome, Italy: FAO.

Dyfyniad Arddull Chicago

Global Estimates of Gaseous Emissions of NH3, NO and N2O From Agrcultural Land. Rome, Italy: FAO, 2001.

Dyfyniad MLA

Global Estimates of Gaseous Emissions of NH3, NO and N2O From Agrcultural Land. Rome, Italy: FAO, 2001.

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