APA-čujuhus (7. p.)
(Apr 1, 2002). IVR SYSTEM REDUCES CUSTOMER WAIT TIME. Online Product News.
Chicago-čujuhus (17. p.)
"IVR SYSTEM REDUCES CUSTOMER WAIT TIME." Online Product News Apr 1, 2002.
MLA-čujuhus (9. p.)
"IVR SYSTEM REDUCES CUSTOMER WAIT TIME." Online Product News, Apr 1, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.