Berry, W. D. Understanding regression assumptions. Sage Publications.
Chicago-čujuhus (17. p.)Berry, William D. Understanding Regression Assumptions. New Delhi: Sage Publications.
MLA-čujuhus (9. p.)Berry, William D. Understanding Regression Assumptions. Sage Publications.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.