Mansfield, E. (1980). Statistics for business and economics. Norton.
Chicago-čujuhus (17. p.)Mansfield, Edwin. Statistics for Business and Economics. New York; London: Norton, 1980.
MLA-čujuhus (9. p.)Mansfield, Edwin. Statistics for Business and Economics. Norton, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.