GREWAL, B. (1971). Higher engineering mathematics (3rd ed.). Khanna Publishers.
Chicago-čujuhus (17. p.)GREWAL, B.S. Higher Engineering Mathematics. 3rd ed. Delhi: Khanna Publishers, 1971.
MLA-čujuhus (9. p.)GREWAL, B.S. Higher Engineering Mathematics. 3rd ed. Khanna Publishers, 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.