Sehgal, R. L. (1993). Number building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification. Ess Ess Publications.
Chicago Edition CitationSehgal, R. L. Number Building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification. Delhi: Ess Ess Publications, 1993.
MLA Edition CitationSehgal, R. L. Number Building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification. Ess Ess Publications, 1993.
Warning: These citations may not always be 100% accurate.