FAO. (1991). FAO yearbook trade 1991, Vol.45. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.
MLA引文FAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.
警告：這些引文格式不一定是100％准確.
APA引文
FAO. (1991). FAO yearbook trade 1991, Vol.45. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.
MLA引文FAO. FAO Yearbook Trade 1991, Vol.45. Rome: FAO, 1991.