Trotskii, L. (1972). The first 5 years of the Communist International. Monad Press.
Chicago Style aipamenaTrotskii, Lev. The First 5 Years of the Communist International. New York: Monad Press, 1972.
MLA aipamenaTrotskii, Lev. The First 5 Years of the Communist International. Monad Press, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.