India. Government of, P. M. (1978). National Sample Survey: Report 237. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Government of, Planning Ministry. National Sample Survey: Report 237. The author, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Government of, Planning Ministry. National Sample Survey: Report 237. The author, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.