Cook, C., & John Paxton. (1975). European political facts, 1918-73. Macmillan.
Chicago Style (17th ed.) ZitazioaCook, Chris, eta John Paxton. European Political Facts, 1918-73. London: Macmillan, 1975.
MLA (9th ed.) ZitazioaCook, Chris, eta John Paxton. European Political Facts, 1918-73. Macmillan, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.