Cita APA (7a ed.)

International Energy Agency. (2021). Portugal 2021 Energy Policy Review. OECD Publishing.

Cita Chicago Style (17a ed.)

International Energy Agency. Portugal 2021 Energy Policy Review. Paris: OECD Publishing, 2021.

Cita MLA (9a ed.)

International Energy Agency. Portugal 2021 Energy Policy Review. OECD Publishing, 2021.