1. Twilight in the Desert: The Coming Saudi Oil Shock and the World Economy;Simmons,2006
2. The Breaking Point;Maass,2005
3. ‘EIA Report Shows US Refinery Capacity Increase For 2014,’ The Bakken Magazine, (http://www.thebakken.com/articles/752/eia-report-shows-us-refinery-capacity-increase-for-2014).
4. ‘The Outlook for Energy 2015—A View to 2040,’ ExxonMobil Corporation, 2015 (http://cdn.exxonmobil.com/∼/media/global/Reports/Outlook%20For%20Energy/2015/2015-Energy-Outlook-Presentation).
5. ‘Annual Energy Outlook 2015, with Projections to 2040,’ DOE/EIA Publication no. 0383, Energy Information Administration, U.S. Dept. of Energy, April 2015 (http://www.eia.gov/forecasts/aeo/pdf/0383(2015).pdf).