APA-viite (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Biofuel support policies: An economic assessment. OECD.
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Biofuel Support Policies: An Economic Assessment. Paris: OECD, 2008.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Biofuel Support Policies: An Economic Assessment. OECD, 2008.
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