India. Ministry of Home Affairs. Office of the Registrar General & Census Commissioner. (2008). Workers and non workers: An analysis based on 2001 census. Office of the Registrar General and Census Commissioner, Ministry of Home Affairs, Govt. of India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Ministry of Home Affairs. Office of the Registrar General & Census Commissioner. Workers and Non Workers: An Analysis Based on 2001 Census. Office of the Registrar General and Census Commissioner, Ministry of Home Affairs, Govt. of India, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Ministry of Home Affairs. Office of the Registrar General & Census Commissioner. Workers and Non Workers: An Analysis Based on 2001 Census. Office of the Registrar General and Census Commissioner, Ministry of Home Affairs, Govt. of India, 2008.