STRACHEY, J. (1967). On the prevention of war. Macmillan.
Chicago Style (17th ed.) ZitazioaSTRACHEY, John. On the Prevention of War. London: Macmillan, 1967.
MLA (9th ed.) ZitazioaSTRACHEY, John. On the Prevention of War. Macmillan, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.