• U.S. Energy Information Administration
  • CIA World Factbook
  • U.S. Department of Energy
  • U.S. Nuclear Regulatory Commission
  • International Energy Agency
  • U.S. National Oceanic and Atmospheric Administration
  • Physics 4th Edition. Halliday, David; Resnick, Robert; and Krane S.
  • U.S. Geological Survey
  • World Energy Council
  • National Renewable Energy Laboratory
  • Federal Energy Regulatory Commission
  • Power System Economics: Designing Markets for Electricity. Stoft, Steven.
  • Introduction to Solid State Physics. Kittel, Charles