APA
Gupta P. P. M. G. S., . (1999). Calculus of finite differences and numerical analysis: A course on numerical methods. Meerut: Krishna Prakashan Mandir.
Chicago
Gupta P P Malik G S, . 1999. Calculus of finite differences and numerical analysis: A course on numerical methods. Meerut: Krishna Prakashan Mandir.
Harvard
Gupta P. P. M. G. S., . (1999). Calculus of finite differences and numerical analysis: A course on numerical methods. Meerut: Krishna Prakashan Mandir.
MLA
Gupta P P Malik G S, . Calculus of finite differences and numerical analysis: A course on numerical methods. Meerut: Krishna Prakashan Mandir. 1999.