"Elementary analyses" Pp. 375-394 in The Practice of social Research. 7th Edition.Belmont: Wadsworth, 1995. (kapitola 14. Quantitative data analysis (s. 313-338) a 15. Using SPSS for Windows (s. 339-362)
"Elementary analyses" Pp. 375-394 in The Practice of social Research. 7th Edition.Belmont: Wadsworth, 1995. (kapitola 14. Quantitative data analysis (s. 313-338) a 15. Using SPSS for Windows (s. 339-362)