APA (7th ed.) Zitazioa
Crystal, David (Editor). (1994). The Cambridge Encyclopedia (2nd ed.). Cambridge University.
Chicago Style (17th ed.) Zitazioa
Crystal, David (Editor). The Cambridge Encyclopedia. 2nd ed. New York: Cambridge University, 1994.
MLA (9th ed.) Zitazioa
Crystal, David (Editor). The Cambridge Encyclopedia. 2nd ed. Cambridge University, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.