Johnson, R. R. (1985). Elementary statistics for business. Duxbury Pr.
Chicago-čujuhus (17. p.)Johnson, Robert R. Elementary Statistics for Business. Boston, Mass: Duxbury Pr, 1985.
MLA-čujuhus (9. p.)Johnson, Robert R. Elementary Statistics for Business. Duxbury Pr, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.