Lenin, V. I. (1977). On youth. Progress.
Chicago Style (17th ed.) ZitazioaLenin, Vladimer Ilich. On Youth. Moscow: Progress, 1977.
MLA (9th ed.) ZitazioaLenin, Vladimer Ilich. On Youth. Progress, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.