1. California End Use Survey. 2006. California Energy Commission, Itron.
2. Commercial Buildings Energy Consumption Survey. 2012. EIA.
3. Regulations for Building Energy Efficiency Rating System. [Enforced on 2013.5.20] [Ministry of Land, Infrastructure and Transport Ordinance No. 6].
4. Energy Saving Design Standards for Buildings, [Enforced on 2015.5.29] [Ministry of Land, Infrastructure and Transport Notice No. 2014-957].
5. Enforcing Rules for Energy Act, [Enforced on 2013.3.23.] [Ministry of Trade, Industry and Energy Ordinance No. 1, 2013.3.23., Revised from Other Law].