OECD. (2014). System of Environmental Economic Accounting 2012: System of Environmental Economic Accounting 2012. OECD.
Chicago-tyylinen lähdeviittausOECD. System of Environmental Economic Accounting 2012: System of Environmental Economic Accounting 2012. OECD, 2014.
MLA-viiteOECD. System of Environmental Economic Accounting 2012: System of Environmental Economic Accounting 2012. OECD, 2014.
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