APA-čujuhus (7. p.)
Bellamy, J. C. (2000). Digital telephony (3rd ed.). John Wiley.
Chicago-čujuhus (17. p.)
Bellamy, John C. Digital Telephony. 3rd ed. New York: John Wiley, 2000.
MLA-čujuhus (9. p.)
Bellamy, John C. Digital Telephony. 3rd ed. John Wiley, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.