SIEGEL S. (1988). NONPARAMETRIC STATISTICS FOR THE BEHAVIORAL SCIENCES (2.). MCGRAW-HILL.
Chicago-čujuhus (17. p.)SIEGEL S. NONPARAMETRIC STATISTICS FOR THE BEHAVIORAL SCIENCES. 2. LONDON: MCGRAW-HILL, 1988.
MLA-čujuhus (9. p.)SIEGEL S. NONPARAMETRIC STATISTICS FOR THE BEHAVIORAL SCIENCES. 2. MCGRAW-HILL, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.