Department of Energy; http://www.energy.gov/index.htm
Energy Information Administration; http://www.eia.doe.gov/
European Commission – Energy; http://ec.europa.eu/energy/index_en.htm
Energetická politika pro Evropu (2007); http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2007:0001:FIN:CS:PDF
Zelená kniha: Evropská strategie pro udržitelnou, konkurenceschopnou a bezpečnou energii (2006); http://ec.europa.eu/energy/green-paper-energy/doc/2006_03_08_gp_document_cs.pdf
International Energy Agency (OECD); http://www.iea.org/
United Nations – Energy; http://esa.un.org/un-energy/
World Bank – Energy; http://web.worldbank.org/WBSITE/EXTERNAL/TOPICS/EXTENERGY2/0,,menuPK:4114636~pagePK:149018~piPK:149093~theSitePK:4114200,00.html
British Petroleum (BP); http://www.bp.com/sectiongenericarticle.do?categoryId=9027175&contentId=7049571
ExxonMobil; http://www.exxonmobil.com/Corporate/energy.aspx
Royal Dutch Shell; http://www.shell.com/home/content/responsible_energy/nef/e_security/
