International Energy Agency & ProQuest (Firm). (2011). Energy policies of IEA countries: Poland 2011. OECD ; International Energy Agency.
Citace podle Chicago (17th ed.)International Energy Agency a ProQuest (Firm). Energy Policies of IEA Countries: Poland 2011. Paris: OECD ; International Energy Agency, 2011.
Citace podle MLA (9th ed.)International Energy Agency a ProQuest (Firm). Energy Policies of IEA Countries: Poland 2011. OECD ; International Energy Agency, 2011.
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