Frenzel,L E. (2008). Principles of Electronic Communication System. McGrawhill.
Chicago-čujuhus (17. p.)Frenzel,L E. Principles of Electronic Communication System. New Delhi: McGrawhill, 2008.
MLA-čujuhus (9. p.)Frenzel,L E. Principles of Electronic Communication System. McGrawhill, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.