Wilton, E. 2004, Regional Energy Survey – Waikato Region. Unpublished report prepared for Environment Waikato.
Infometrics 2003, Waikato Regional Socio-Economic Summary. Unpublished report prepared for Environment Waikato.
Energy Efficiency and Conservation Authority(external link): EECA is the government agency that works to improve the energy efficiency of New Zealand's homes and businesses, and encourages the uptake of renewable energy.
Energywise - Energy Efficiency and Conservation Authority(external link): This site is full of practical information, advice and tools to help you make those choices at home and on the road.
Australian and New Zealand Standard Industrial Classifications (ANZSIC) - Australian Bureau of Statistics:(external link) The Australian and New Zealand Standard Industrial Classification (ANZSIC) has been developed for use in both countries for the production and analysis of industry statistics.