1. IPCC
(2007). "Climate Change 2007: Synthesis Report " Contribution of Working Groups I II and III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change Core Writing Team Pachauri R.K. and Reisinger A. (Eds.) IPCC Geneva Switzerland. p104.
2. USGBC
(2004). "Buildings and Climate Change " US Green Building Council Report.