Russell, B. (2009). Human knowledge: Its scope and limits. Routledge.
Chicago Style aipamenaRussell, Bertrand. Human Knowledge: Its Scope and Limits. London: Routledge, 2009.
MLA aipamenaRussell, Bertrand. Human Knowledge: Its Scope and Limits. Routledge, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.