APA

Sehgal D. L. e. a., . (1983). Senior school physics, Part01. : Sultan Chand & Sons, New Delhi.

Chicago

Sehgal D L et al, . 1983. Senior school physics, Part01. : Sultan Chand & Sons, New Delhi.

Harvard

Sehgal D. L. e. a., . (1983). Senior school physics, Part01. : Sultan Chand & Sons, New Delhi.

MLA

Sehgal D L et al, . Senior school physics, Part01. : Sultan Chand & Sons, New Delhi. 1983.