(1963). Elementary statistical exercises. C.Univ. Press.
Chicago-čujuhus (17. p.)Elementary Statistical Exercises. Cambridge: C.Univ. Press, 1963.
MLA-čujuhus (9. p.)Elementary Statistical Exercises. C.Univ. Press, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.