Levin Richard I. (2008). Statistics for Management. Pearson.
Chicago-čujuhus (17. p.)Levin Richard I. Statistics for Management. New Delhi: Pearson, 2008.
MLA-čujuhus (9. p.)Levin Richard I. Statistics for Management. Pearson, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.