1Greg Kats,Capital E. The Costs and Financial Benefits of Green Buildings[ EB/OL ] [ R ]. http ://www. usgbc, org/Docs/News/ News477. pdf,2003.
2Gregory H Kats. Green Building Costs and Financial Benefits [ EB/OL] [ R ]. http://www, usgbccoloredo, corn/downloads/ articles/Kats-Green-Buildings-Cost, pdf,2003.
3Northbridge Environmental Management Consultants. Analyzing the Cost of Obtaining LEED Certification[ EB/OL] [ R ]. http ://www. cleanair-coolplanet. org/for _ communities/LEED _links/ Analyzlngthe-C ostofLEE D. pdf,2003.