1. Commission of the European Communities. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Regions, 2008. Second Strategic Energy Review—An EU Energy Security and Solidarity Action Plan.
2. Official Journal of the European Union, 2009. Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC, L 140/16.
3. Commission of the European Communities, Communication from the Commission to the European Parliament, the Council, The European Economic and Social Committee of the Regions, 2009. Towards a Comprehensive Climate Change, Agreement in Copenhagen.
4. A review on global wind energy policy;Saidur;Renewable and Sustainable Energy Reviews,2010
5. Dincer F. The analysis on wind energy electricity generation status, potential and policies in the world. Renewable and sustainable energy reviews, 15(9), 5135–5142.