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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.