Cita APA (7a ed.)

Organisation for Economic Co-operation and Development. (2009). Poland. Organisation for Economic Co-operation and Development.

Cita Chicago Style (17a ed.)

Organisation for Economic Co-operation and Development. Poland. Paris: Organisation for Economic Co-operation and Development, 2009.

Cita MLA (9a ed.)

Organisation for Economic Co-operation and Development. Poland. Organisation for Economic Co-operation and Development, 2009.