Keer, H. (1993). Principles of the solid state. New Age International.
Chicago Style aipamenaKeer, H.V. Principles of the Solid State. New Delhi: New Age International, 1993.
MLA aipamenaKeer, H.V. Principles of the Solid State. New Age International, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.