Não informado. (2009). FAO Statistical Yearbook. Food and Agriculture Organization of the United Nations.
Citação do estilo Chicago (17ª ed.)Não informado. FAO Statistical Yearbook. Rome: Food and Agriculture Organization of the United Nations, 2009.
Citação MLA (8ª ed.)Não informado. FAO Statistical Yearbook. Food and Agriculture Organization of the United Nations, 2009.
警告：这些引文格式不一定是100％准确.