APA (7th ed.) Citation

(1983). Labour force and socio-economic survey 1980/81 Sri Lanka. Department of Census and Statistics.

Chicago Style (17th ed.) Citation

Labour Force and Socio-economic Survey 1980/81 Sri Lanka. Colombo: Department of Census and Statistics, 1983.

MLA (9th ed.) Citation

Labour Force and Socio-economic Survey 1980/81 Sri Lanka. Department of Census and Statistics, 1983.

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