GUPTA S P. (2005). STATISTICAL METHODS VOL I. SULTAN CHAND AND SONS.
Chicago-čujuhus (17. p.)GUPTA S P. STATISTICAL METHODS VOL I. NEW DELHI: SULTAN CHAND AND SONS, 2005.
MLA-čujuhus (9. p.)GUPTA S P. STATISTICAL METHODS VOL I. SULTAN CHAND AND SONS, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.