GREWAL, B. (1971). Higher engineering mathematics (3rd ed.). Khanna Publishers.
Cita Chicago (17th ed.)GREWAL, B.S. Higher Engineering Mathematics. 3rd ed. Delhi: Khanna Publishers, 1971.
Cita MLA (9th ed.)GREWAL, B.S. Higher Engineering Mathematics. 3rd ed. Khanna Publishers, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.