Παραπομπή APA

Bhatnagar, P. P. (1965). Census of India <1961>: Uttarpradesh.

Παραπομπή Chicago Style

Bhatnagar, P P. Census of India <1961>: Uttarpradesh. 1965.

Παραπομπή MLA

Bhatnagar, P P. Census of India <1961>: Uttarpradesh. 1965.