Gupta, P. P., & MALIK, G. S. (1995). Calculus of finite differences and Numerical Analysis (20th ed.). Krishna Prakashan Mandir.
Cita Chicago (17th ed.)Gupta, P. P., i G. S. MALIK. Calculus of Finite Differences and Numerical Analysis. 20th ed. Meerut: Krishna Prakashan Mandir, 1995.
Cita MLA (9th ed.)Gupta, P. P., i G. S. MALIK. Calculus of Finite Differences and Numerical Analysis. 20th ed. Krishna Prakashan Mandir, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.