APA (7th ed.) Zitazioa

Davis & Kennedy. (1992). Electronic Communication System (4th ed.). McGraw Hill International Editions.

Chicago Style (17th ed.) Zitazioa

Davis eta Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.

MLA (9th ed.) Zitazioa

Davis eta Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.