Leonov,Nikolai. (1990). Violence: Sources and limits. Novosti Publishing House.
Chicago Style aipamenaLeonov,Nikolai. Violence: Sources and Limits. Moscow: Novosti Publishing House, 1990.
MLA aipamenaLeonov,Nikolai. Violence: Sources and Limits. Novosti Publishing House, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.