Energy Lesson 3 : Generating Michigan's Electricity
McLaughlin, C. W., and M. Thompson. (1999). Glencoe Physical Science. Westerville, OH: McGraw-Hill Companies, Inc. p. 632.
U.S. Department of Energy. Energy Information Administration. 2008 Summary Statistics: Michigan. Retrieved October 21, 2010, from http://www.eia.doe.gov/cneaf/electricity/st_profiles/michigan.pdf.