APA-viite (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2010). Better regulation in Europe: Spain 2010. OECD.
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Better Regulation in Europe: Spain 2010. Paris: OECD, 2010.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Better Regulation in Europe: Spain 2010. OECD, 2010.
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