Organisation for Economic Co-operation and Development. (2016). European union: 2016. OECD Publishing.
Cita Chicago (17th ed.)Organisation for Economic Co-operation and Development. European Union: 2016. Paris: OECD Publishing, 2016.
Cita MLA (9th ed.)Organisation for Economic Co-operation and Development. European Union: 2016. OECD Publishing, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.