Cita APA (7a ed.)
(2010). Natural gas information: 2010 with 2009 data. International Energy Agency.
Cita Chicago Style (17a ed.)
Natural Gas Information: 2010 with 2009 Data. France: International Energy Agency, 2010.
Cita MLA (9a ed.)
Natural Gas Information: 2010 with 2009 Data. International Energy Agency, 2010.
Precaución: Estas citas no son 100% exactas.