Cita APA (7th ed.)
Pack, M. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Reaktion Books.
Cita Chicago (17th ed.)
Pack, Mark. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Londres, Inglaterra: Reaktion Books.
Cita MLA (9th ed.)
Pack, Mark. Polling UnPacked: The History, Uses and Abuses of Political Opinion Polls. Reaktion Books.
Atenció: Aquestes cites poden no estar 100% correctes.