Cita APA (7a ed.)

International Energy Agency. (2006). Natural gas information: 2006 with 2005 data. OECD/IEA.

Cita Chicago Style (17a ed.)

International Energy Agency. Natural Gas Information: 2006 with 2005 Data. Paris: OECD/IEA, 2006.

Cita MLA (9a ed.)

International Energy Agency. Natural Gas Information: 2006 with 2005 Data. OECD/IEA, 2006.