Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. (1999). Household income and expenditure survey, 1996/96: Preliminary report. Dept. of Census and Statistics, Ministry of Finance and Planning.
Chicago-referens (17:e uppl.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Household Income and Expenditure Survey, 1996/96: Preliminary Report. [Colombo]: Dept. of Census and Statistics, Ministry of Finance and Planning, 1999.
MLA-referens (8:e uppl.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Household Income and Expenditure Survey, 1996/96: Preliminary Report. Dept. of Census and Statistics, Ministry of Finance and Planning, 1999.
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