and food security – threats and opportunities" (页面存档备份,存于互联网档案馆). FAO of the United Nations, 2008, p. 2. 1.02 billion people hungry. http://www.fao.org/
INDIA: FOOD SECURITY AND AGRICULTURAL POLICY (PDF). Food and Agriculture Organization of the United Nations. 2003. [永久失效連結] How much should a fair price of
[2017-12-12]. (原始内容存档于2018-09-14). Document card | FAO | Food and Agriculture Organization of the United Nations. Fao.org. [2018-12-27]. (原始内容存档于2018-07-13) (英语)