天安门母亲：中国已错失政改良机 (Tiananmen Mothers: China Has Missed Golden Opportunity for Political Reform)
Broadcasting Corporation of China, May 31, 2012
http://tw.news.yahoo.com/天安門母親-中國已錯失政改良機-031029387.html
Related:
纪念“六四”死难者离世二十三周年
Commemorating the 23rd Anniversary of the Passing of the Victims of the 1989 June Fourth Crackdown
Tiananmen Mothers, May 31, 2012
CH: http://www.hrichina.org/cn/content/6086
EN: http://www.hrichina.org/content/6088
张健谈2012年的“六四穿黑衫行动” (Interview with Zhang Jian on Black Shirts to Commemorate Tiananmen Movement)
Radio France Internationale, May 30, 2012
http://www.chinese.rfi.fr/中国/20120530-张健谈2012年的“六四穿黑衫行动”