APA ציטוט

FAO. (1996). FAO soils bulletin N.73: Agro-ecological zoning: Guidelines. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. FAO Soils Bulletin N.73: Agro-ecological Zoning: Guidelines. Rome: FAO, 1996.

ציטוט MLA

FAO. FAO Soils Bulletin N.73: Agro-ecological Zoning: Guidelines. Rome: FAO, 1996.