APA ציטוט

Sehgal, R. L. A. (1993). Number building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification.

Chicago Edition Citation

Sehgal, R L; Author. Number Building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification. New Delhi, Ess Ess Publications, 1993.

ציטוט MLA

Sehgal, R L; Author. Number Building in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification. 1993.