APA

Gupta P. P. e. a., . (1986). Mathematics for I.I.T and other engineering entrance examination. : S Chand & Company Pvt Ltd., New Delhi.

Chicago

Gupta P P et al, . 1986. Mathematics for I.I.T and other engineering entrance examination. : S Chand & Company Pvt Ltd., New Delhi.

Harvard

Gupta P. P. e. a., . (1986). Mathematics for I.I.T and other engineering entrance examination. : S Chand & Company Pvt Ltd., New Delhi.

MLA

Gupta P P et al, . Mathematics for I.I.T and other engineering entrance examination. : S Chand & Company Pvt Ltd., New Delhi. 1986.