John Skorupski. (1998). cambridge companion to mill. Cambridge University Press.
Chicago Style aipamenaJohn Skorupski. Cambridge Companion to Mill. New York: Cambridge University Press, 1998.
MLA aipamenaJohn Skorupski. Cambridge Companion to Mill. Cambridge University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.