Sobol, M. G. (1993). Introduction to statistics for executives. McGraw-Hill.
Chicago-čujuhus (17. p.)Sobol, Marion G. Introduction to Statistics for Executives. New York: McGraw-Hill, 1993.
MLA-čujuhus (9. p.)Sobol, Marion G. Introduction to Statistics for Executives. McGraw-Hill, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.