National Council of Applied Economic Research. (1959). Techno-economic survey of Bihar. Asia Pub. House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Council of Applied Economic Research. Techno-economic Survey of Bihar. Bombay: Asia Pub. House, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Council of Applied Economic Research. Techno-economic Survey of Bihar. Asia Pub. House, 1959.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.