Gravetter, F. J., & Wallnau, L. B. (2009). Statistics for the behavioral sciences (8th ed.). Wadsworth.
Chicago-čujuhus (17. p.)Gravetter, Frederick J., juo Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Australia: Wadsworth, 2009.
MLA-čujuhus (9. p.)Gravetter, Frederick J., juo Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Wadsworth, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.