1. Mills E, Friedman H, Powell T, Bourassa N, Claridge D, Haasl T, et al. The cost-effectiveness of commerical-buildings commissioning. a meta-analysis of energy and non-energy impacts in existing buildings and new construction in the United States. Lawrence Berkeley National Laboratory. Portland Energy Conservation Inc., Energy Systems Laboratory, Texas A&M University; 2004.
2. Piette MA, Nordman B, Greenberg S. Quantifying energy savings from commissioning: preliminary results from the Pacific Northwest. In: Proceedings of the second national conference on building commissioning, 1994.
3. Portland Energy Conservation Inc. (PECI). Building systems deficiency database; 1996.
4. Gregerson J. Commissioning existing buildings. E Source, Inc.; 1997.
5. California Commissioning Collaborative. Commissioning case studies|California commissioning collaborative; 2012. [retrieved 28.05.12].