Cita APA (7a ed.)

International Energy Agency. (2003). Natural Gas Information: 2003 Edition. Organisation for Economic Co-operation and Development.

Cita Chicago Style (17a ed.)

International Energy Agency. Natural Gas Information: 2003 Edition. Paris: Organisation for Economic Co-operation and Development, 2003.

Cita MLA (9a ed.)

International Energy Agency. Natural Gas Information: 2003 Edition. Organisation for Economic Co-operation and Development, 2003.