International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Energy policies of IEA countries. Organization for Economic Co-operation and Development : International Energy Agency.
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Chicago-viite (17. p.)
International Energy Agency, Organisation for Economic Co-operation and Development, ja ProQuest (Firm). Energy Policies of IEA Countries. Paris: Organization for Economic Co-operation and Development : International Energy Agency, 2009.
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MLA-viite (9. p.)
International Energy Agency, et al. Energy Policies of IEA Countries. Organization for Economic Co-operation and Development : International Energy Agency, 2009.
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