Weisberg, H. F., Krosnick, J. A., & Bowen, B. D. (1996). An introduction to survey research, polling, and data analysis. Sage.
Chicago Style (17th ed.) ZitazioaWeisberg, Herbert F., Jon A. Krosnick, eta Bruce D. Bowen. An Introduction to Survey Research, Polling, and Data Analysis. London: Sage, 1996.
MLA (9th ed.) ZitazioaWeisberg, Herbert F., et al. An Introduction to Survey Research, Polling, and Data Analysis. Sage, 1996.
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