Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

Organisation for Economic Co-operation and Development a ProQuest (Firm). Poland. Paris: Organisation for Economic Co-operation and Development, 2009.

Citace podle MLA (9th ed.)

Organisation for Economic Co-operation and Development a ProQuest (Firm). Poland. Organisation for Economic Co-operation and Development, 2009.

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