Welling,M.N. (2010). Mathematical Techniques ( F.Y.Bcom) (3rd ed.). Manan Prakashan.
Chicago-čujuhus (17. p.)Welling,M.N. Mathematical Techniques ( F.Y.Bcom). 3rd ed. Mumbai: Manan Prakashan, 2010.
MLA-čujuhus (9. p.)Welling,M.N. Mathematical Techniques ( F.Y.Bcom). 3rd ed. Manan Prakashan, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.