India. Registrar general and census commissioner & Sinha, D. M. (1970). Census of India, 1971. Series 21, Uttar Pradesh: Establishments tables. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और D. M. Sinha. Census of India, 1971. Series 21, Uttar Pradesh: Establishments Tables. s.n, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और D. M. Sinha. Census of India, 1971. Series 21, Uttar Pradesh: Establishments Tables. s.n, 1970.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.