APA

Sharma J. N. G. R. K., . (1984). Differential equations. : Krishna Prakashan Mandir, Meerut.

Chicago

Sharma J N Gupta R K, . 1984. Differential equations. : Krishna Prakashan Mandir, Meerut.

Harvard

Sharma J. N. G. R. K., . (1984). Differential equations. : Krishna Prakashan Mandir, Meerut.

MLA

Sharma J N Gupta R K, . Differential equations. : Krishna Prakashan Mandir, Meerut. 1984.