APA-čujuhus (7. p.)
Carballo, M., & Hjelmar, U. (2008). Public Opinion Polling in a Globalized World. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-75753-5
Chicago-čujuhus (17. p.)
Carballo, Marita, juo Ulf Hjelmar. Public Opinion Polling in a Globalized World. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-75753-5.
MLA-čujuhus (9. p.)
Carballo, Marita, juo Ulf Hjelmar. Public Opinion Polling in a Globalized World. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-75753-5.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.