Cita APA (7a ed.)

International Energy Agency. (2016). Energy Policies of IEA Countries: Portugal 2016. OECD Publishing.

Cita Chicago Style (17a ed.)

International Energy Agency. Energy Policies of IEA Countries: Portugal 2016. Paris: OECD Publishing, 2016.

Cita MLA (9a ed.)

International Energy Agency. Energy Policies of IEA Countries: Portugal 2016. OECD Publishing, 2016.