Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. (1975). Krṣikarma saṅgaṇanaya, 1973: Census of agriculture, 1973 : small holdings. Department of Census and Statistics.
Chicago-referens (17:e uppl.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Krṣikarma Saṅgaṇanaya, 1973: Census of Agriculture, 1973 : Small Holdings. [Colombo: Department of Census and Statistics, 1975.
MLA-referens (8:e uppl.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Krṣikarma Saṅgaṇanaya, 1973: Census of Agriculture, 1973 : Small Holdings. Department of Census and Statistics, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.