1. Alhajji, A.F., 2006. The meaning of energy security. USAEE Blog, Posted 22 August. Retrieved 12 November 2008 from 〈http://blog.usaee.org/?q=node/8#top〉.
2. Asia Pacific Energy Research Centre (APERC), 2007. A quest for Energy Security in the 21st Century: Resources and Constraints. APEC, Tokyo
3. Australian Public Service Commission, 2007. Tackling Wicked Problems: A Public Policy Perspective. Australian Public Service Commission, Australian Government, Canberra
4. Behrens, A., Egenhofer, C., 2008. Energy policy for Europe: identifying the European added-value. CEPS Task Force Report, 6 March. Centre for European Policy Studies, Brussels. Retrieved 26 April 2008 from 〈http://shop.ceps.eu/BookDetail.php?item_id=1623〉
5. Energy security: is the wolf at the door?;Bielecki;The Quarterly Review of Economics and Finance,2002