Bluman, A. G. Elementary statistics: A step by step approach. McGraw-Hill.
Chicago-čujuhus (17. p.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. McGraw-Hill.
MLA-čujuhus (9. p.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. McGraw-Hill.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.