1. The Feeding of Nations: Re-Defining Food Security for the 21st Century;Gibson,2012
2. Food Security: Understanding and Meeting the Challenge of Povertyhttp://ec.europa.eu/europeaid/infopoint/publications/europeaid/documents/163a_en.pdf
3. Food Security Indicators and Framework for Use in the Monitoring and Evaluation of Food Aid Programs;Riely,1999