Tham khảo Kho_vũ_khí_Hán_Dương

  1. ↑ Kathleen L Lodwick (2009). The Chinese Recorder. BiblioBazaar, LLC. tr. 414. ISBN 978-1-115-48856-3.
  2. ↑ Anon (2009). Northern China, the Valley of the Blue River, Korea. 43 Maps and Plans. READ BOOKS. tr. 386. ISBN 978-1-4446-7840-6.
  3. ↑ The Chicago daily news almanac and yearbook...., Volume 1922. CHICAGO: The Chicago Daily News co. 1895. tr. 376.(Original from the University of Michigan)
  4. ↑ 劉鳳瀚《國民黨軍事制度史》下，北京，中國大百科全書出版社，頁524。
  5. ↑ Henry Romaine Pattengill (1900). Timely topics, Volume 5. tr. 153.(Original from the University of Michigan)
  6. ↑ United States. Bureau of Foreign Commerce, United States. Dept. of Commerce and Labor. Bureau of Statistics, United States. Bureau of Manufactures (1904). Commercial relations of the United States with foreign countries during the years..., Volume 2. Washington: G.P.O. tr. 398.Quản lý CS1: nhiều tên: danh sách tác giả (liên kết)(Original from Harvard University)
  7. ↑ General Liu rifle
  8. ↑ The first Chinese semi-automatic rifle by General Liu Qing En 國造半自動步槍第一人- 劉慶恩將軍
  9. ↑ Rare Chinese Liu Semi-Automatic Military Rifle