APA (7th ed.) Citation

(1981). Sri Lanka census of population and housing 1981. Department of Census and Statistics.

Chicago Style (17th ed.) Citation

Sri Lanka Census of Population and Housing 1981. Colombo: Department of Census and Statistics, 1981.

MLA (9th ed.) Citation

Sri Lanka Census of Population and Housing 1981. Department of Census and Statistics, 1981.

Warning: These citations may not always be 100% accurate.