International Energy Agency & ProQuest (Firm). (2011). Energy policies of IEA countries: Poland 2011. OECD ; International Energy Agency.
芝加哥风格引文International Energy Agency 与 ProQuest (Firm). Energy Policies of IEA Countries: Poland 2011. Paris: OECD ; International Energy Agency, 2011.
MLA引文International Energy Agency 与 ProQuest (Firm). Energy Policies of IEA Countries: Poland 2011. OECD ; International Energy Agency, 2011.
警告:这些引文格式不一定是100%准确.