APA citiranje

FAO. (1991). FAO yearbook trade 1991, Vol.45. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.

MLA citiranje

FAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.