FAO. (1977). FAO yearbook trade 1977; Vol.30. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Yearbook Trade 1977; Vol.30. Rome: FAO, 1977.
MLA引文FAO. FAO Yearbook Trade 1977; Vol.30. Rome: FAO, 1977.
警告：这些引文格式不一定是100％准确.
APA引文
FAO. (1977). FAO yearbook trade 1977; Vol.30. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Yearbook Trade 1977; Vol.30. Rome: FAO, 1977.
MLA引文FAO. FAO Yearbook Trade 1977; Vol.30. Rome: FAO, 1977.