FAO. (1989). Food and agricultural legislation N.38. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. Food and Agricultural Legislation N.38. Rome: FAO, 1989.
MLA引文FAO. Food and Agricultural Legislation N.38. Rome: FAO, 1989.
警告：这些引文格式不一定是100％准确.
APA引文