The pulse of democracy the public-opinion poll and how it works

Bibliografiske detaljer
Hovedforfatter:	Gallup, George Horace 1901-
Andre forfattere:	Rae, Saul Forbes
Format:	Bog
Sprog:	English
Udgivet:	New York Simon and Schuster 1940.
Fag:	American Institute of Public Opinion. Public opinion polls.