Gupta, S. P., & Gupta, M. P. (2016). Business statistics (18th ed.). Sultan Chand & Sons.
Chicago-čujuhus (17. p.)Gupta, S. P., juo M. P. Gupta. Business Statistics. 18th ed. New Delhi: Sultan Chand & Sons, 2016.
MLA-čujuhus (9. p.)Gupta, S. P., juo M. P. Gupta. Business Statistics. 18th ed. Sultan Chand & Sons, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.