APA-čujuhus (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). OECD environmental performance reviews: Denmark. OECD.
Chicago-čujuhus (17. p.)
Organisation for Economic Co-operation and Development juo ProQuest (Firm). OECD Environmental Performance Reviews: Denmark. Paris: OECD, 2007.
MLA-čujuhus (9. p.)
Organisation for Economic Co-operation and Development juo ProQuest (Firm). OECD Environmental Performance Reviews: Denmark. OECD, 2007.
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