APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.