David E Cartwright. (2010). Schopenhauer a biography. Cambridge University Press.
Chicago Style aipamenaDavid E Cartwright. Schopenhauer a Biography. New York: Cambridge University Press, 2010.
MLA aipamenaDavid E Cartwright. Schopenhauer a Biography. Cambridge University Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.