APA-viite

Sehgal, R. (1993). Number Building in Dewey Decimal Classification,Universal Decimal Classification,Colon Classification. Ess Ess Publications.

Chicago-tyylinen lähdeviittaus

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

MLA-viite

Sehgal, R.L. Number Building in Dewey Decimal Classification,Universal Decimal Classification,Colon Classification. Ess Ess Publications, 1993.