APA-viite (7. p.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). OECD economic surveys: Poland. OECD.

Chicago-viite (17. p.)

Organisation for Economic Co-operation and Development ja ProQuest (Firm). OECD Economic Surveys: Poland. Paris: OECD, 2008.

MLA-viite (9. p.)

Organisation for Economic Co-operation and Development ja ProQuest (Firm). OECD Economic Surveys: Poland. OECD, 2008.

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