(2007). Unasylva. Washington, D.C: Information Service of Food and Agriculture Organization of the United Nations.
Trích dẫn kiểu ChicagoUnasylva. Washington, D.C: Information Service of Food and Agriculture Organization of the United Nations, 2007.
MLA引文Unasylva. Washington, D.C: Information Service of Food and Agriculture Organization of the United Nations, 2007.
警告:這些引文格式不一定是100%准確.