1. US Department of Energy. Buildings Energy Data Book. ; 2010 (September 1, 2012).
2. Energy Information Agency. Emissions of Greenhouse Gases in the United States Report. ; 2009 (September 1, 2013).
3. US Green Buildings Council. Buildings and Climate Change Document. ; 2007 (September 1, 2013).
4. United States White House. Administration Announces New Tools to Help Consumers Manage Electricity Use and Shrink Bills. ; 2012 (October 1, 2013).
5. US Green Buildings Council. LEED Rating Systems. ; 2013 (October 16, 2013).