Fletcher, M. J. (1971). Electron beam welding. Mills and Boon.
Lua i Stíl Chicago (17ú heag.)Fletcher, M. J. Electron Beam Welding. London,: Mills and Boon, 1971.
Lua MLA (8ú heag.)Fletcher, M. J. Electron Beam Welding. Mills and Boon, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.