福布斯:中国中产群体已超过千万人 (Forbes: 10 Million+ Chinese Have Personal Investments of $100K-1 Million)
China News Service, March 28, 2013
http://www.bjnews.com.cn/news/2013/03/28/255522.html
China's Cultural Revolution: Son's Guilt Over the Mother He Sent to Her Death
The Guardian, March 28, 2013
http://www.guardian.co.uk/world/2013/mar/27/china-cultural-revolution-sons-guilt-zhang-hongping
