Gupta, S. (2005). Business statstics. Himalaya Publishing House.
Chicago-čujuhus (17. p.)Gupta, S. Business Statstics. Mumbai: Himalaya Publishing House, 2005.
MLA-čujuhus (9. p.)Gupta, S. Business Statstics. Himalaya Publishing House, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.