1. Major Food and Agricultural Commodities and Producershttp://www.fao.org/ess/top/commodity.html? lang+en&item=156&year=2005
2. Sugar—the political economy of a product
3. Sugarcanehttp://www.gmo-compass.org/eng/database/plants/76.sugarcane.html
4. Sugar Cane: Past and Present;Sharpe,1998
5. Biofuels in Brazil: An Overview