1Mathew Shane,William Liefert,Mitch More-hart,May Peters,John Dillard,David Torgerson,William Edmondson.The 2008/2009 WorldEconomic Crisis:What It Means for U.S.Agri-culture[]..2009
2U.S.Department of Agriculture.USDA A-gricultural Projections to 2018[]..2009