Attract Wider Customer Base". Aviation Week. 1992-06-07. 中国民用航空志华北地区卷编纂委员会 (2012). 中国民用航空志· 华北地区卷 第2卷 (in Chinese). 中国民航出版社. ISBN 978-7-80110-984-2. "China...

Chinese Wikipedia article at [[:zh:华北地区]]; see its history for attribution. You may also add the template {{Translated|zh|华北地区}} to the talk page. For more...

Archived from the original on October 6, 2014. Retrieved 30 September 2014. "华北地区重载铁路第一长隧燕山隧道提前贯通_央广网". China National Radio. Retrieved 22 January 2016. "Asian...

Continuity And Change In The 1980s. Routledge. ISBN 978-1-000-31540-0. "华北地区最大规模的军事演习——"八〇二"军事演习". The Paper (in Chinese). 2018-09-15. Archived from the...

Archived from the original on 19 February 2022. Retrieved 19 February 2022. "华北地区最大的编组火车站——侯马北站" (in Chinese). 搜狐. 5 December 2019. Archived from the original...