Weisberg, H. F. (1996). An introduction to survey research, polling, and data: Analysis. Sage.
Chicago Style (17th ed.) ZitazioaWeisberg, Herbert F. An Introduction to Survey Research, Polling, and Data: Analysis. London: Sage, 1996.
MLA (9th ed.) ZitazioaWeisberg, Herbert F. An Introduction to Survey Research, Polling, and Data: Analysis. Sage, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.