十八大期间北京出租车封门窗防抛洒抗议标语 (Beijing Taxies Ordered to Lock Windows to Be on Keep Away Protest Leaflets during 18th Party Congress)
Australia Daily, October 30, 2012
http://dailynews.sina.com/gb/chn/chnnews/ausdaily/20121030/18153913923.html
Related:
Taxi "Zero Spread" Rule for 18th Party Congress
China Digital Times, October 31, 2012
http://chinadigitaltimes.net/2012/10/taxi-zero-spread-rule-for-18th-party-congress/