[2] 19 Kasım 2012 tarihinde Wayback Machine sitesinde arşivlendi. California Energy Commission and California Public Utilities Commission (CPUC), “Database for Energy Efficient Resources (DEER)”, May 2008
eup4light.net
[1] 2 Mart 2013 tarihinde Wayback Machine sitesinde arşivlendi. | Study for European Commission, “Preparatory Studies for Eco-design Requirements of EuPs”, Ekim 2008
web.archive.org
[1] 2 Mart 2013 tarihinde Wayback Machine sitesinde arşivlendi. | Study for European Commission, “Preparatory Studies for Eco-design Requirements of EuPs”, Ekim 2008
[2] 19 Kasım 2012 tarihinde Wayback Machine sitesinde arşivlendi. California Energy Commission and California Public Utilities Commission (CPUC), “Database for Energy Efficient Resources (DEER)”, May 2008
