Bryman, A., & Cramer, D. (1997). Quantitative data analysis with SPSS for Windows: A guide for social scientists. Routledge.
Chicago Style aipamenaBryman, Alan, and Duncan Cramer. Quantitative Data Analysis with SPSS for Windows: A Guide for Social Scientists. London: Routledge, 1997.
MLA aipamenaBryman, Alan, and Duncan Cramer. Quantitative Data Analysis with SPSS for Windows: A Guide for Social Scientists. Routledge, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.