Cita APA (7a ed.)

International Energy Agency. (2015). Key world energy statistics 2015. Organisation for Economic Co-operation and Development.

Cita Chicago Style (17a ed.)

International Energy Agency. Key World Energy Statistics 2015. Paris: Organisation for Economic Co-operation and Development, 2015.

Cita MLA (9a ed.)

International Energy Agency. Key World Energy Statistics 2015. Organisation for Economic Co-operation and Development, 2015.