APA-viite (7. p.)
Webb, E. (2014). Eric Voegelin: Philosopher of history (Paperback edition.). University of Washington Press.
Chicago-viite (17. p.)
Webb, Eugene. Eric Voegelin: Philosopher of History. Paperback edition. Seattle, [Washington] ; London, [England]: University of Washington Press, 2014.
MLA-viite (9. p.)
Webb, Eugene. Eric Voegelin: Philosopher of History. Paperback edition. University of Washington Press, 2014.
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