Bradley, J. I., & McClelland, J. N. (1978). Basic statistical concepts: A self-instructional text (2nd ed.). Scott, Foresman.
Chicago-čujuhus (17. p.)Bradley, Jack I., juo James N. McClelland. Basic Statistical Concepts: A Self-instructional Text. 2nd ed. Illinois: Scott, Foresman, 1978.
MLA-čujuhus (9. p.)Bradley, Jack I., juo James N. McClelland. Basic Statistical Concepts: A Self-instructional Text. 2nd ed. Scott, Foresman, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.