APA引文

FAO. (1990). World food programme, 1990: 4 - 8 June, 1990. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. World Food Programme, 1990: 4 - 8 June, 1990. Rome: FAO, 1990.

MLA引文

FAO. World Food Programme, 1990: 4 - 8 June, 1990. Rome: FAO, 1990.

警告：這些引文格式不一定是100％准確.