APA (7th ed.) Zitazioa
Noonan, H. W. (1999). Routledge philosophy guidebook to Hume on knowledge. Routledge.
Chicago Style (17th ed.) Zitazioa
Noonan, Harold W. Routledge Philosophy Guidebook to Hume on Knowledge. London ; New York: Routledge, 1999.
MLA (9th ed.) Zitazioa
Noonan, Harold W. Routledge Philosophy Guidebook to Hume on Knowledge. Routledge, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.