Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. (1977). Śrī Laṅkāvē samāja ārthika samīkṣaṇaya =: Socioeconomic survey of Sri Lanka, 1969/70 : Srī Laṅkāvē āhāra saha pōṣana maṭṭama piḷibanda viśēṣa vārtāva, Oktōbar, 1972 = Special report on food and nutritional levels in Sri Lanka, October, 1972. Dept. of Census and Statistics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Śrī Laṅkāvē Samāja ārthika Samīkṣaṇaya =: Socioeconomic Survey of Sri Lanka, 1969/70 : Srī Laṅkāvē āhāra Saha Pōṣana Maṭṭama Piḷibanda viśēṣa Vārtāva, Oktōbar, 1972 = Special Report on Food and Nutritional Levels in Sri Lanka, October, 1972. [Colombo]: Dept. of Census and Statistics, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Śrī Laṅkāvē Samāja ārthika Samīkṣaṇaya =: Socioeconomic Survey of Sri Lanka, 1969/70 : Srī Laṅkāvē āhāra Saha Pōṣana Maṭṭama Piḷibanda viśēṣa Vārtāva, Oktōbar, 1972 = Special Report on Food and Nutritional Levels in Sri Lanka, October, 1972. Dept. of Census and Statistics, 1977.