Lapin, L. (1987). Statistics for modern business decisions (4ª ed.). Harcourt Brace Jovanovich.
Chicago-čujuhus (17. p.)Lapin, Lawrence. Statistics for Modern Business Decisions. 4ª ed. Harcourt Brace Jovanovich, 1987.
MLA-čujuhus (9. p.)Lapin, Lawrence. Statistics for Modern Business Decisions. 4ª ed. Harcourt Brace Jovanovich, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.