APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.