Punjab. Directorate of Census Operations, N. D. (1999). Census of India 1991: Series 20: Punjab. Controller of Pub.
Chicago Style (17th ed.) CitationPunjab. Directorate of Census Operations, New Delhi. Census of India 1991: Series 20: Punjab. Controller of Pub, 1999.
MLA (9th ed.) CitationPunjab. Directorate of Census Operations, New Delhi. Census of India 1991: Series 20: Punjab. Controller of Pub, 1999.
Warning: These citations may not always be 100% accurate.