1. An environmental assessment for air conditioned office premises, Version 1/96: New Offices and Version 2/96: Existing Offices;HK-BEAM,1996
2. BREEAM/New Offices Version 1/93: An environmental assessment for new office designs,1993
3. Hong Kong energy statistics,1983
4. The Hong Kong environment: A green challenge for the community,1993
5. Building (Energy Efficiency) Regulation,1995