Organisation for Economic Co-operation and Development Content Provider & Organisation for Economic Co-operation and Development Contributor. (2012). Die OECD in Zahlen und Fakten 2011-2012: Wirtschaft, Umwelt, Gesellschaft. OCDE.
Cita Chicago Style (17a ed.)Organisation for Economic Co-operation and Development Content Provider y Organisation for Economic Co-operation and Development Contributor. Die OECD in Zahlen Und Fakten 2011-2012: Wirtschaft, Umwelt, Gesellschaft. [Place of publication not identified]: OCDE, 2012.
Cita MLA (9a ed.)Organisation for Economic Co-operation and Development Content Provider y Organisation for Economic Co-operation and Development Contributor. Die OECD in Zahlen Und Fakten 2011-2012: Wirtschaft, Umwelt, Gesellschaft. OCDE, 2012.