APA (7th ed.) Zitazioa
Williams, F. (1982). The communications revolution. Sage Publications.
Chicago Style (17th ed.) Zitazioa
Williams, Frederick. The Communications Revolution. Beverly Hills: Sage Publications, 1982.
MLA (9th ed.) Zitazioa
Williams, Frederick. The Communications Revolution. Sage Publications, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.