Dyfyniad APA

David Norman. (1994). FAO farm systems management series N.7: Farming systems development and soil conservation. Rome: FAO.

Dyfyniad Arddull Chicago

David Norman. FAO Farm Systems Management Series N.7: Farming Systems Development and Soil Conservation. Rome: FAO, 1994.

Dyfyniad MLA

David Norman. FAO Farm Systems Management Series N.7: Farming Systems Development and Soil Conservation. Rome: FAO, 1994.

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