Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. (1978). National accounts of Sri Lanka, 1970-1977. Dept. of Census & Statistics, Ministry of Plan Implementation.
Citace podle Chicago (17th ed.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1970-1977. [Colombo]: Dept. of Census & Statistics, Ministry of Plan Implementation, 1978.
Citace podle MLA (8th ed.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1970-1977. Dept. of Census & Statistics, Ministry of Plan Implementation, 1978.
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