Food and Agriculture Organization of the United Nations. (1952). Soil conservation: An intertnational study. Food and Agriculture Organization.
芝加哥风格引文Food and Agriculture Organization of the United Nations. Soil Conservation: An Intertnational Study. United Nations: Food and Agriculture Organization, 1952.
MLA引文Food and Agriculture Organization of the United Nations. Soil Conservation: An Intertnational Study. Food and Agriculture Organization, 1952.
警告：这些引文格式不一定是100％准确.