APA ציטוט

FAO. (2001). The economics of soil productivity in sub-Saharan Africa. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. The Economics of Soil Productivity in Sub-Saharan Africa. Rome: FAO, 2001.

ציטוט MLA

FAO. The Economics of Soil Productivity in Sub-Saharan Africa. Rome: FAO, 2001.