Barzun, J. (1974). Clio and the doctors: Psycho-history, quanto-history, & history. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Barzun, Jacques. Clio and the Doctors: Psycho-history, Quanto-history, & History. Chicago: University of Chicago Press, 1974.
Lua MLA (9ú heag.)Barzun, Jacques. Clio and the Doctors: Psycho-history, Quanto-history, & History. University of Chicago Press, 1974.
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