APA引文

Food and Agriculture Organization of the United Nations. (2003). Soil and terrain database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations.

Trích dẫn kiểu Chicago

Food and Agriculture Organization of the United Nations. Soil and Terrain Database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations, 2003.

MLA引文

Food and Agriculture Organization of the United Nations. Soil and Terrain Database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations, 2003.

警告：这些引文格式不一定是100％准确.