曾蔭權冀政府大樓再減1.5%用電 (in Chinese). Hong Kong SAR Information Services Department. 2006-07-25. Archived from the original on 2007-03-11. Retrieved 2007-05-13.
曾蔭權冀政府大樓再減1.5%用電 (in Chinese). Hong Kong SAR Information Services Department. 2006-07-25. Archived from the original on 2007-03-11. Retrieved 2007-05-13.