Pillai, M. (1974). Economic abd business statistics (2nd.). Progressive corp.
Chicago-čujuhus (17. p.)Pillai, M. Economic Abd Business Statistics. 2nd. NULL: Progressive corp, 1974.
MLA-čujuhus (9. p.)Pillai, M. Economic Abd Business Statistics. 2nd. Progressive corp, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.