APA引文

FAO. (1989). FAO yearbook trade 1989, Vol.43. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. FAO Yearbook Trade 1989, Vol.43. Rome: FAO, 1989.

MLA引文

FAO. FAO Yearbook Trade 1989, Vol.43. Rome: FAO, 1989.

警告：這些引文格式不一定是100％准確.