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.

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.

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.