Cita APA (7th ed.)
Organisation for Economic Co-operation and Development. (1974). Denmark: 1974. OECD Publishing.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development. Denmark: 1974. Paris: OECD Publishing, 1974.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development. Denmark: 1974. OECD Publishing, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.