Cita APA (7th ed.)

Organisation for Economic Co-operation and Development. (1981). Germany: 1981. OECD Publishing.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development. Germany: 1981. Paris: OECD Publishing, 1981.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development. Germany: 1981. OECD Publishing, 1981.