Παραπομπή APA

Gupta, D. K., & Rai, J. (1966). Prakash ki (Hindi) Optics. Govt. of India.

Παραπομπή Chicago Style

Gupta, Dhanvanth Kishore, και Jainarayan Rai. Prakash Ki (Hindi) Optics. Govt. of India, 1966.

Παραπομπή MLA

Gupta, Dhanvanth Kishore, και Jainarayan Rai. Prakash Ki (Hindi) Optics. Govt. of India, 1966.