VOHRA N D. (1992). QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-čujuhus (17. p.)VOHRA N D. QUANTITATIVE TECHNIQUES. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
MLA-čujuhus (9. p.)VOHRA N D. QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.