FAO. (1976). Soil conservation for developing countries. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. Soil Conservation for Developing Countries. Rome: FAO, 1976.
MLA引文FAO. Soil Conservation for Developing Countries. Rome: FAO, 1976.
警告：這些引文格式不一定是100％准確.
APA引文