1. Energy Information Administration, Annual Energy Outlook,2012
2. Building Energy Data Book – Building Share of Electricity Consumption/Sales,2011
3. Commercial Building Energy Consumption Survey (CBECS) Survey Data, 2015;Energy Information Administration,2012
4. Residential Energy Consumption Survey (RECS) Survey Data, 2011;Energy Information Administration,2009
5. Smart Market Reports. Green BIM – How Building Information Modeling Is Contributing to Green Design and Construction;McGraw Hill Construction,2010