陈希同亲述：我不是六四戒严正指挥 (Conversations with Chen Xitong: I Did Not Order Martial Law on June Fourth)
Deutsche Welle, May 28, 2012
http://www.dw.de/dw/article/0,,15981826,00.html
Related:
Ex-mayor Keeps Distance from Tiananmen Crackdown
South China Morning Post, May 28, 2012
http://www.scmp.com/portal/site/SCMP/menuitem.2af62ecb329d3d7733492d9253a0a0a0/?vgnextoid=d7fd3909f3397310VgnVCM100000360a0a0aRCRD