@techreport{National Bureau of Statistics of China2013,
author = {National Bureau of Statistics of China, (NBSC)},
title= {Report of 2012 Rural-urban Migrant Workers Surveillance Survey (in Chinese)},
year = {2013},
URL = {http://www.stats.gov.cn/tjsj/zxfb/201305/t20130527_12978.html},
}