Tham khảo Nạp_đạn_bằng_khí_nén

  • Hatcher, J. S. (1962). Hatcher's Notebook. Stackpole Books, ISBN 0811707954
  • Smith, J.E.; Smith, W.H.B. (1960), Small Arms of the World, 6th Edition, Stackpole Company, Harrisburg PA
  • Smith, W.H.B.; Ezell, E. C. (1983), Small Arms of the World, 12th Edition, Stackpole Company, Harrisburg PA
  • Smith, W.H.B.; Smith, J.E. (1963), Book of Rifles, 3rd Edition, The Stackpole Company, Harrisburg PA
  • Balleisen, C.E. (1945).Principles of Firearms. John Wiley and Sons, Inc., New York NY
  • Chinn, G.M. (1955), The Machine Gun Volume IV, USGPO for the US Navy Bureau of Ordnance, Washington DC, pp. 130–134
  • Shalaby, S.H., "Automatic Weapon", Brassey's Encyclopedia of Land Forces and Warfare, 2000 Edition, Brassey's, ISBN 9781574880878