Gallup, G. H. (1944). A guide to public opinion polls. Princeton University Press.
Čikaški stil citiranja (17. izdanje)Gallup, George Horace. A Guide to Public Opinion Polls. Princeton: Princeton University Press, 1944.
MLA način citiranja (9. izdanje)Gallup, George Horace. A Guide to Public Opinion Polls. Princeton University Press, 1944.
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