Khanna, M. L. (1998). Differential Calculus (12th ed.). Modern Book Centre.
Cita Chicago (17th ed.)Khanna, M. L. Differential Calculus. 12th ed. Meerut: Modern Book Centre, 1998.
Cita MLA (9th ed.)Khanna, M. L. Differential Calculus. 12th ed. Modern Book Centre, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.