Cita APA (7th ed.)
Organisation for Economic Co-operation and Development. (1979). Belgium-Luxembourg: 1979. OECD Publishing.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development. Belgium-Luxembourg: 1979. Paris: OECD Publishing, 1979.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development. Belgium-Luxembourg: 1979. OECD Publishing, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.