Davis & Kennedy. (1992). Electronic Communication System (4th ed.). McGraw Hill International Editions.
Citazione stile Chigago Style (17a edizione)Davis e Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.
Citatione MLA (9a ed.)Davis e Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.