APA aipamena

Roll, C. W., & Cantril, A. H. Polls: Their use and misuse in politics.

Chicago Style aipamena

Roll, Charles W., and Albert H. Cantril. Polls: Their Use and Misuse in Politics.

MLA aipamena

Roll, Charles W., and Albert H. Cantril. Polls: Their Use and Misuse in Politics.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.