Roll, C. W., & Cantril, A. H. Polls: Their use and misuse in politics.
シカゴスタイル引用形Roll, Charles W., , Albert H. Cantril. Polls: Their Use and Misuse in Politics.
MLA引用形式Roll, Charles W., , Albert H. Cantril. Polls: Their Use and Misuse in Politics.
警告: この引用は必ずしも正確ではありません.