APA

Gupta R., . (1992). Operating computers for beginners and entry-level students. : Asian Publishers, New Delhi.

Chicago

Gupta R, . 1992. Operating computers for beginners and entry-level students. : Asian Publishers, New Delhi.

Harvard

Gupta R., . (1992). Operating computers for beginners and entry-level students. : Asian Publishers, New Delhi.

MLA

Gupta R, . Operating computers for beginners and entry-level students. : Asian Publishers, New Delhi. 1992.