美驻港领事夏千福：支持香港实现普选 (U.S. consul general Clifford Hart reiterates U.S. support for universal suffrage in HK)
British Broadcasting Corporation, September 24, 2013
http://www.bbc.co.uk/zhongwen/simp/china/2013/09/130924_clifford_hart_hk_election.shtml