GUPTA, S. P. (2000). STATISTICAL METHODS. S CHAND.
Chicago-čujuhus (17. p.)GUPTA, S P. STATISTICAL METHODS. NEW DELHI: S CHAND, 2000.
MLA-čujuhus (9. p.)GUPTA, S P. STATISTICAL METHODS. S CHAND, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.