APA aipamena

Norrander,, B., & Wilcox,, C. (2010). Understanding public opinion (3.). CQ Press.

Chicago Style aipamena

Norrander,, Barbara, and Clyde Wilcox. Understanding Public Opinion. 3. Washington D.C.: CQ Press, 2010.

MLA aipamena

Norrander,, Barbara, and Clyde Wilcox. Understanding Public Opinion. 3. CQ Press, 2010.