Food and Agriculture Organization of the United Nations. (2001). Handbook for defining and setting up a food security information and early warning system (FSIEWS). Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Food and Agriculture Organization of the United Nations. Handbook for Defining and Setting Up a Food Security Information and Early Warning System (FSIEWS). Rome: Food and Agriculture Organization of the United Nations, 2001.
Lua MLA (9ú heag.)Food and Agriculture Organization of the United Nations. Handbook for Defining and Setting Up a Food Security Information and Early Warning System (FSIEWS). Food and Agriculture Organization of the United Nations, 2001.