2011年统计用区划代码和城乡划分代码:海兴县 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on December 3, 2012. Retrieved 2012-07-21.
2011年统计用区划代码和城乡划分代码:海兴县 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on December 3, 2012. Retrieved 2012-07-21.