APA-referens

FAO. (1993). FAO soils bulletin N.69: Soil tillage in Africa: needs and challenges. Rome: FAO.

Chicago-stil citat

FAO. FAO Soils Bulletin N.69: Soil Tillage in Africa: Needs and Challenges. Rome: FAO, 1993.

MLA-referens

FAO. FAO Soils Bulletin N.69: Soil Tillage in Africa: Needs and Challenges. Rome: FAO, 1993.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.