APA ציטוט

Gallup, G. H. (1948). A guide to public opinion polls. Princeton University Press.

Chicago Style (17th ed.) Citation

Gallup, George Horace. A Guide to Public Opinion Polls. Princeton: Princeton University Press, 1948.

ציטוט MLA

Gallup, George Horace. A Guide to Public Opinion Polls. Princeton University Press, 1948.