1. Å. L. Hauge, J. Thomsen & T. Berker (2010), User Evaluations of Energy Efficient Buildings – Literature Review and Further Research, proceeding from Renewal Energy Conference, Norway. .
2. Chia Chin Wah (2010) The efficiency of zero-energy approach in 21st century building construction, Master dissertation, heriott Watt, unpublished. .
3. Development and Land Use Policy Manual (2000) Energy Efficient Building Design. [Online]. [Available: http://www.fremantle.wa.gov.au/council/resource/DBH12_Energy_ Efficient.pdf, accessed 2nd January 2010]. .
4. United Nations. (1991) Energy Efficient Design: A Guide to Energy Efficiency and Solar Applications in Building Design. ECE Energy Series No. 9. New York: United Nations. .
5. Janssen, R. (2004) Towards Energy Efficient Buildings in Europe. London: The European Alliance of Companies for Energy Efficiency in Buildings. .