APA (7th ed.) Zitazioa
ebrary, Inc, Goidel, R. K., & Cook, C. (2011). Political polling in the digital age: The challenge of measuring and understanding public opinion. Louisiana State University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Robert K. Goidel, eta Charlie Cook. Political Polling in the Digital Age: The Challenge of Measuring and Understanding Public Opinion. Baton Rouge: Louisiana State University Press, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Political Polling in the Digital Age: The Challenge of Measuring and Understanding Public Opinion. Louisiana State University Press, 2011.
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