• Ports of Entry of China (section List of National Level Ports of Entry (国家级口岸列表))
    2018-11-24. Retrieved 2018-11-23. 中国政府网 (2016-07-28). "国务院、中央军委关于同意开辟黑河、哈尔滨至俄罗斯和哈尔滨至日本". Archived from the original on 2023-08-31. Retrieved 2023-08-31....
    222 KB (12,590 words) - 10:17, 1 January 2025