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www.un.org/en/zerohunger/challenge.shtml
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www.fao.org/3/a-y4671e.pdf
3. Ingram JC (2006) Bread and stones: leadership and the struggle to reform the United Nations world food Programme. Book Surge, N. Charleston.
ISBN 141964470X
4. Loewenberg S (2007) Should the world food programme focus on development? Lancet 369(9580):2149–2150
5. Pisik B (2006) Sheeran Former Washington Times Editor, Will Lead U.N. Food Program. Washington Times National Weekly Edition November 13, 2006, 24