1. DOE/EIA-0384 (2007);Annual Energy Review,2007
2. DOE/EIA-0384 (2009);Annual Energy Review,2009
3. BEA. 2009. Horowitz, K., and M. Planting. (2009 revision of 1996 report). Concepts and methods of the input–output accounts. U.S. Department of Commerce, Bureau of Economic Analysis. http://www.bea.gov/papers/pdf/IOmanual_092906.pdf Accessed 8 July 2014.
4. Use Tables/Before Redefinitions/Producer Value. Use of Commodities by Industry Valued at Producers' Prices 2007: 388 Industries;BEA,2014
5. Relation of Private Fixed Investment in Structures (by type) in the Fixed Assets Accounts to the Corresponding Items in the National Income and Product Accounts;BEA,2014