El Kalreh, A. B. (1970). Electron beams, lenses and optics. Academic Press.
Chicago Style aipamenaEl Kalreh, A B. Electron Beams, Lenses and Optics. New York: Academic Press, 1970.
MLA aipamenaEl Kalreh, A B. Electron Beams, Lenses and Optics. Academic Press, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.