APA (7th ed.) Zitazioa
Brown, D. (2004). Digital fortress. St. Martin's Paperbacks.
Chicago Style (17th ed.) Zitazioa
Brown, Dan. Digital Fortress. New York: St. Martin's Paperbacks, 2004.
MLA (9th ed.) Zitazioa
Brown, Dan. Digital Fortress. St. Martin's Paperbacks, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.