Srivastava, Dayawanti et al. (ed.) (2010). "States and Union Territories: Bihar: Government". India 2010: A Reference Annual (54th ed.). New Delhi, India: Additional Director General, Publications Division, Ministry of Information and Broadcasting (India), Government of India. pp. 1118–1119. ISBN978-81-230-1617-7. Retrieved 11 October 2011. {{cite book}}: |last1= has generic name (help)
"Bhojpuri: A language of India". Ethnologue: Languages of the World (16th edition). (2009). Ed. M. Paul Lewis. Dallas, Texas: SIL International. அணுகப்பட்டது 30 September 2011.