APA ציטוט

FAO. (1991). World soil resources reports N.66: World soil resources. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. World Soil Resources Reports N.66: World Soil Resources. Rome: FAO, 1991.

ציטוט MLA

FAO. World Soil Resources Reports N.66: World Soil Resources. Rome: FAO, 1991.