1. OECD. Database-OECD-FAO Agricultural Outlook 2011–2020. OECD-FAO; 2011. 〈http://www.stats.oecd.org/viewhtml.aspx?QueryId=23343&vh=0000&vf=0&l&il=blan k&lan g=en〉 [26.12.2012]
2. ANP. Anuário Estatístico Brasileiro do Petróleo, Gás Natural e Biocombustíveis. Agência Nacional do Petróleo, Gás Natural e Biocombustíveis (ANP); 2012.
3. OECD. Database-OECD-FAO Agricultural Outlook 2012–2021. OECD-FAO; 2012. 〈http://www.stats.oecd.org/Index.aspx?DataSetCode=HIGH_AGLINK_2012〉 [26.12.2012]
4. USDA. Foreign Agricultural Service. Argentina-Biofuels Annual. 07/06/2012. Post: Buenos Aires. USA: United States Department of Agriculture (USDA); 2012. 〈http://gain.fas.usda.gov/Recent%20GAIN%20Publications/Biofuels%20Annual_Buenos%20Aires_Argentina_7-6-2012.pdf〉 [26.12.2012]
5. USDA. Foreign Agricultural Service. EU-27-EU Biofuels Annual. 06/25/2012. Gain Report. USA: United States Department of Agriculture (USDA); 2012. 〈http://www.usda-france.fr/media/Biofuels%20Annual_The%20Hague_EU-27_6-25-2012.pdf〉 [26.12.2012]