1. AAFC (Agriculture and Agri-Food Canada). 2007. An overview of the Canadian agriculture and agri-food system. http://www4.agr.gc.ca/resources/prod/doc/pol/pub/sys/pdf/sys_2007_e.pdf . Accessed 1 Oct 2008.
2. Buzby, J.C., H. Farah, Wells, and G. Vocke. 2006. Possible implications for US agriculture from adoption of select dietary guidelines. Economic Research Report No. ERR-31, Washington, DC: Economic Research Service, USDA. http://www.ers.usda.gov/publications/err31 . Accessed 14 Feb 2009.
3. Cowell, S.J., and S. Parkinson. 2002. Localization of UK food production: An analysis using land area and energy as indicators. Agriculture, Ecosystems, and Environment 94: 221–236.
4. Cummings, H. 2003. Growing food and economy: Economic impact study of the agriculture and food-related sectors in Waterloo Region. Region of Waterloo Public Health. http://chd.region.waterloo.on.ca/web/health.nsf/4f4813c75e78d71385256e5a0057f5e1/4bb1aceaadd5d9e885256dce006768da!OpenDocument . Accessed 1 Oct 2008.
5. Cummings, H. 2005. Region of Waterloo food flow analysis. Region of Waterloo Public Health. http://chd.region.waterloo.on.ca/web/health.nsf/4f4813c75e78d71385256e5a0057f5e1/54ed787f44aca44c852571410056aeb0!OpenDocument . Accessed 1 Oct 2008.