Hawton, H. (1963). The Humanist revolution. Barrie & Rockliff.
Chicago Style (17th ed.) ZitazioaHawton, Hector. The Humanist Revolution. London: Barrie & Rockliff, 1963.
MLA (9th ed.) ZitazioaHawton, Hector. The Humanist Revolution. Barrie & Rockliff, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.