APA-čujuhus (7. p.)
ebrary, Inc, & Newport, F. (2010). The Gallup Poll: Public opinion 2009. Rowman & Littlefield.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Frank Newport. The Gallup Poll: Public Opinion 2009. Ladnham: Rowman & Littlefield, 2010.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Frank Newport. The Gallup Poll: Public Opinion 2009. Rowman & Littlefield, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.