Ningbo Shi 2010 nian ren kou pu cha zi liao [electronic resource] / Ningbo Shi ren kou pu cha ban gong shi bian = Tabulation on the 2010 population census of Ningbo municipality / compiled by Office for the Population Census of Ningbo Municipality.
宁波市2010年人口普查资料 [electronic resource] / 宁波市人口普查办公室编.