(2000). Energy policies of IEA countries: Portugal 2000 review. International Energy Agency.
Chicago Style (17th ed.) CitationEnergy Policies of IEA Countries: Portugal 2000 Review. Paris, Cedex, France: International Energy Agency, 2000.
MLA引文Energy Policies of IEA Countries: Portugal 2000 Review. International Energy Agency, 2000.
警告:這些引文格式不一定是100%准確.