APA-viite (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Environment at a glance: OECD environmental indicators, 2005. OECD.
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Environment at a Glance: OECD Environmental Indicators, 2005. Paris: OECD, 2005.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Environment at a Glance: OECD Environmental Indicators, 2005. OECD, 2005.
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