Harpe, G. G. (1959). Masters of political thought: Hegel to Dewey. Oxford University.
Chicago Style aipamenaHarpe, George G. Masters of Political Thought: Hegel to Dewey. London: Oxford University, 1959.
MLA aipamenaHarpe, George G. Masters of Political Thought: Hegel to Dewey. Oxford University, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.