APA
SRILANKA D. S. R., SRILANKA D. S. R., . (1978). Statistical pocket book. Colombo: Department of census and statistics.
Chicago
SRILANKA DEMOCRATIC SOCIALIST REPUBLIC, SRILANKA DEMOCRATIC SOCIALIST REPUBLIC, . 1978. Statistical pocket book. Colombo: Department of census and statistics.
Harvard
SRILANKA D. S. R., SRILANKA D. S. R., . (1978). Statistical pocket book. Colombo: Department of census and statistics.
MLA
SRILANKA DEMOCRATIC SOCIALIST REPUBLIC, SRILANKA DEMOCRATIC SOCIALIST REPUBLIC, . Statistical pocket book. Colombo: Department of census and statistics. 1978.
