CRL Energy Limited June 2008. Assessment of HFC Emission Factors for GHG Reporting Guidelines. Unpublished report for the Ministry for the Environment.
Department for Environment Food and Rural Affairs 2008 Guidelines to DEFRA’s GHG Conversion Factors: Methodology Paper for Transport Emission Factors. Retrieved from www.defra.gov.uk/environment/business/envrp/pdf/passenger-transport.pdf (24 September 2008).
Intergovernmental Panel on Climate Change/Organisation for Economic Cooperation and Development 1996. IPCC Revised Guidelines for National Greenhouse Gas Inventories.Retrieved fromwww.ipcc-nggip.iges.or.jp/public/gl/invs1.htm (24 September 2008).
ISO 14064-1:2006. Greenhouse gases – Part 1 Specification with guidance at the organization level for quantification and reporting of greenhouse gas emissions. Retrieved from www.iso.org/iso/home.htm (24 September 2008).
Ministry for the Environment 2008. New Zealand’s Greenhouse Gas Inventory1990–2007. Retrieved from www.mfe.govt.nz/publications/climate/nz-greenhouse-gas-inventory-apr08/
Ministry of Economic Development. Energy Greenhouse Gas Emissions (2009.) Retrieved from http://www.med.govt.nz/templates/MultipageDocumentTOC____41212.aspx
Ministry of Economic Development. New ZealandEnergy Data File 2009. Retrieved from http://www.med.govt.nz/energy/edf/
World Business Council for Sustainable Development/World Resources Institute 2004. Greenhouse Gas Protocol: A Corporate Accounting and Reporting Standard. Retrieved from www.ghgprotocol.org/standards