APA (7th ed.) Zitazioa
Pack, M. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Reaktion Books.
Chicago Style (17th ed.) Zitazioa
Pack, Mark. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Londres, Inglaterra: Reaktion Books.
MLA (9th ed.) Zitazioa
Pack, Mark. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Reaktion Books.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.