Gravetter, F. J., & Wallnau, L. B. (1995). Essentials of statistics for the behavioral sciences (2nd.ed.). West.
Chicago-čujuhus (17. p.)Gravetter, Frederick J., juo Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 2nd.ed. Minneapolis: West, 1995.
MLA-čujuhus (9. p.)Gravetter, Frederick J., juo Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 2nd.ed. West, 1995.
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