Edwards, Brian (ed.) , Royal Institute of British Architects  (2003).  Green Buildings Pay.  Routledge mot E F & N Spon.

Legget Sikora, Jeannie  (2002).  Profit from Building Green: Award Winning Tips to Build Energy Efficient Homes.  Home Builder Press.

Means, Robert S., and contributing authors (2002).  Green Building: Project Planning & Cost Estimating. Robert s Means Co.