BLACKWELL, D. (1969). Basic statistics. McGraw-Hill.
Chicago-čujuhus (17. p.)BLACKWELL, David. Basic Statistics. New York: McGraw-Hill, 1969.
MLA-čujuhus (9. p.)BLACKWELL, David. Basic Statistics. McGraw-Hill, 1969.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.