Organisation for Economic Co-operation and Development. (2015). Open government data review of Poland: Unlocking the value of government data. Organisation for Economic Co-operation and Development.
Chicago-viite (17. p.)Organisation for Economic Co-operation and Development. Open Government Data Review of Poland: Unlocking the Value of Government Data. Paris, France: Organisation for Economic Co-operation and Development, 2015.
MLA-viite (9. p.)Organisation for Economic Co-operation and Development. Open Government Data Review of Poland: Unlocking the Value of Government Data. Organisation for Economic Co-operation and Development, 2015.
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