Levin, R. I. (1997). Stat for Management (1st edition.). Prentice Hall.
Chicago-čujuhus (17. p.)Levin, Richard I. Stat for Management. 1st edition. New Delhi: Prentice Hall, 1997.
MLA-čujuhus (9. p.)Levin, Richard I. Stat for Management. 1st edition. Prentice Hall, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.