References
- USDA . Economic Research Service. Farm and farm-related employment: overview [homepage on the Internet] Washington DC Available from: http://www.ers.usda.gov/Data/Farmand, Related Employment/Page2.asp [cited 2004 Nov 2]
- USDA . National Agricultural Statistics Service. 2002 Census of Agriculture , Washington DC : U.S. Department of Agriculture . Available from: http://usgovinfo.about.com/gi/dynamic/offsite.htm?site http://www.usda.gov/nass [cited 2004 Nov 2]
- Jerardo , A. Feb. 2004 . “ The U.S. agtrade balance…more than just a number ” . In Amber Waves , Feb. , Washington DC : U.S. Department of Agriculture . Available from: http://www.ers.usda.gov/Amberwaves/February04/Features/, USTrade Balance.htm [cited 2004 Nov 2]