Mason, R. D. (1999). Statistical techniques in business and: Economics. Irwin.
Chicago-čujuhus (17. p.)Mason, Robert D. Statistical Techniques in Business and: Economics. Boston: Irwin, 1999.
MLA-čujuhus (9. p.)Mason, Robert D. Statistical Techniques in Business and: Economics. Irwin, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.