1. Congressional Quarterly;Bernard R. Berelson,1954
2. Campbell, Angus, Philip E. Converse, Warren E. Miller, and Donald E. Stokes. 1957. The Voter Decides. Evanston: Row, Peterson and Co.
3. de Sola Pool, Ithiel. 1961. “The Simulmatic Project.” Public Opinion Quarterly 25 (Summer) 167–183.
4. Katz, Daniel and Samuel J. Eldersveld. 1961. The Impact of Local Party Activity Upon the Electorate.” Public Opinion Quarterly 25 (Spring).
5. Kelly, Stanley. 1956. Professional Public Relations and Political Power. Baltimore: The Johns Hopkins Press.