教育局局長與傳媒談話全文(只有中文). info.gov.hk (Transcript of Secretary for Education) (in Chinese). 27 April 2011. Archived from the original on 30 April 2011. Retrieved 27 April 2011.
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承辦商準備拆卸孫明揚寓所僭建物. rthk.org.hk (in Chinese). 25 May 2011. Archived from the original on 2 October 2012. Retrieved 28 May 2011.
教育局局長與傳媒談話全文(只有中文). info.gov.hk (Transcript of Secretary for Education) (in Chinese). 27 April 2011. Archived from the original on 30 April 2011. Retrieved 27 April 2011.