APA (7th ed.) Zitazioa
Keefe, R. (2000). Theories of vagueness. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
Keefe, Rosanna. Theories of Vagueness. Cambridge, UK ; New York: Cambridge University Press, 2000.
MLA (9th ed.) Zitazioa
Keefe, Rosanna. Theories of Vagueness. Cambridge University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.