Davis & Kennedy. (1992). Electronic Communication System (4th ed.). McGraw Hill International Editions.
Chicago-čujuhus (17. p.)Davis juo Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.
MLA-čujuhus (9. p.)Davis juo Kennedy. Electronic Communication System. 4th ed. McGraw Hill International Editions, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.