एपीए उद्धरण

Bhatnagar, P. P. (1967). Census of India <1961>: Uttar Pradesh.

शिकागो स्टाइल उद्धरण

Bhatnagar, P P. Census of India <1961>: Uttar Pradesh. 1967.

एमएलए उद्धरण

Bhatnagar, P P. Census of India <1961>: Uttar Pradesh. 1967.