Cita APA (7a ed.)

International Energy Agency Staff. (2009). Natural gas information (2009 ed.). OECD : International Energy Agency.

Cita Chicago Style (17a ed.)

International Energy Agency Staff. Natural Gas Information. 2009 ed. Paris: OECD : International Energy Agency, 2009.

Cita MLA (9a ed.)

International Energy Agency Staff. Natural Gas Information. 2009 ed. OECD : International Energy Agency, 2009.