(1949). The polls and public opinion: The Iowa Conference on Attitude and Opinion Research sponsored by the State University of Iowa, Iowa City. Holt.
Chicago-Zitierstil (17. Ausg.)The Polls and Public Opinion: The Iowa Conference on Attitude and Opinion Research Sponsored by the State University of Iowa, Iowa City. New York: Holt, 1949.
MLA-Zitierstil (9. Ausg.)The Polls and Public Opinion: The Iowa Conference on Attitude and Opinion Research Sponsored by the State University of Iowa, Iowa City. Holt, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.