"Outline of Zhengdong" (in Simplified Chinese). Administrative Committee of Zhengdong New Area. 2 February 2015. Archived from the original on 2015-12-18. Retrieved 2021-09-03.
郑州市郑东新区管理委员会文件 [Documents of the Management Committee of Zhengdong New Area, Zhengzhou City] (PDF) (in Chinese). Zhengdong New Area Management Committee. 2016-06-07. Archived(PDF) from the original on 2021-09-02. Retrieved 2021-09-03.
"Outline of Zhengdong" (in Simplified Chinese). Administrative Committee of Zhengdong New Area. 2 February 2015. Archived from the original on 2015-12-18. Retrieved 2021-09-03.
郑州市郑东新区管理委员会文件 [Documents of the Management Committee of Zhengdong New Area, Zhengzhou City] (PDF) (in Chinese). Zhengdong New Area Management Committee. 2016-06-07. Archived(PDF) from the original on 2021-09-02. Retrieved 2021-09-03.