Steffen, K. G. (1965). High energy beam optics. Interscience Publishers.
Chicago Style aipamenaSteffen, Klaus G. High Energy Beam Optics. New York: Interscience Publishers, 1965.
MLA aipamenaSteffen, Klaus G. High Energy Beam Optics. Interscience Publishers, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.