Kelly, T. F. (1993). Labour and the numbers racket: An assessment of labour market information in Sri Lanka. Institute of Policy Studies.
Lua i Stíl Chicago (17ú heag.)Kelly, Terence F. Labour and the Numbers Racket: An Assessment of Labour Market Information in Sri Lanka. Colombo, Sri Lanka: Institute of Policy Studies, 1993.
Lua MLA (8ú heag.)Kelly, Terence F. Labour and the Numbers Racket: An Assessment of Labour Market Information in Sri Lanka. Institute of Policy Studies, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.