Sri Lanka. Rejisṭrār Janarāl Depārtamēntuva. Report of the Registrar General on vital statistics, Sri Lanka. Dept. of the Registrar General, Ministry of Home Affairs.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sri Lanka. Rejisṭrār Janarāl Depārtamēntuva. Report of the Registrar General on Vital Statistics, Sri Lanka. [Colombo?]: Dept. of the Registrar General, Ministry of Home Affairs.
Παραπομπή σε μορφή MLA (8th εκδ.)Sri Lanka. Rejisṭrār Janarāl Depārtamēntuva. Report of the Registrar General on Vital Statistics, Sri Lanka. Dept. of the Registrar General, Ministry of Home Affairs.
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