Nigam,R.C. (1971). Census of India 1971: Language handbook on mother tongues in census. The Registrar General, Ministry of Home Affairs.
Chicago Style citaatNigam,R.C. Census of India 1971: Language Handbook on Mother Tongues in Census. New Delhi: The Registrar General, Ministry of Home Affairs, 1971.
MLA citatieNigam,R.C. Census of India 1971: Language Handbook on Mother Tongues in Census. The Registrar General, Ministry of Home Affairs, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.