APA (7th ed.) Citation

(1991). Statistical pocket book of the democratic socialist republic of Sri Lanka - 1991. Department of Census and Statistics.

Chicago Style (17th ed.) Citation

Statistical Pocket Book of the Democratic Socialist Republic of Sri Lanka - 1991. Department of Census and Statistics, 1991.

MLA (9th ed.) Citation

Statistical Pocket Book of the Democratic Socialist Republic of Sri Lanka - 1991. Department of Census and Statistics, 1991.

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