DAS, B. a. M. (1970). Differential calculus. U.N. Dhur.
Cita Chicago (17th ed.)DAS, B.C. and MUKHERJEE. Differential Calculus. Calcutta: U.N. Dhur, 1970.
Cita MLA (9th ed.)DAS, B.C. and MUKHERJEE. Differential Calculus. U.N. Dhur, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.