Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. (1980). National accounts of Sri Lanka, 1971-1979. Dept. of Census and Statistics, Ministry of Plan Implementation.
Dyfyniad Arddull ChicagoSri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1971-1979. [Colombo]: Dept. of Census and Statistics, Ministry of Plan Implementation, 1980.
Dyfyniad MLASri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1971-1979. Dept. of Census and Statistics, Ministry of Plan Implementation, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.