FAO. (1993). Food and agricultural legislation N.42. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. Food and Agricultural Legislation N.42. Rome: FAO, 1993.
MLA引文FAO. Food and Agricultural Legislation N.42. Rome: FAO, 1993.
警告：這些引文格式不一定是100％准確.
APA引文