Singh, R. (1977). Mathematical & statistical techniques II (1st.). Sadhana prakashan.
Chicago-čujuhus (17. p.)Singh, R. Mathematical & Statistical Techniques II. 1st. Bombay: Sadhana prakashan, 1977.
MLA-čujuhus (9. p.)Singh, R. Mathematical & Statistical Techniques II. 1st. Sadhana prakashan, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.