(2007). CBS News Monthly Poll #1, April 2006 CBS News. [electronic resource].
Chicago-čujuhus (17. p.)CBS News Monthly Poll #1, April 2006 CBS News. [electronic Resource]. 2007.
MLA-čujuhus (9. p.)CBS News Monthly Poll #1, April 2006 CBS News. [electronic Resource]. 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.