Gupta, P. K., & Goyal, J. K. (1996). Mathematical Methods (4th ed.). Modern Book Centre.
Chicago-čujuhus (17. p.)Gupta, P. K., juo J. K. Goyal. Mathematical Methods. 4th ed. Meerut: Modern Book Centre, 1996.
MLA-čujuhus (9. p.)Gupta, P. K., juo J. K. Goyal. Mathematical Methods. 4th ed. Modern Book Centre, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.