Sehgal, R. (1993). Number building in Dewey Decimal Classification, Universal Decimal Classification, Colon Classification (1st.). Ess Ess.
Styl cytowania ChicagoSehgal, R.L. Number Building in Dewey Decimal Classification, Universal Decimal Classification, Colon Classification. 1st. New Delhi: Ess Ess, 1993.
Styl cytowania MLASehgal, R.L. Number Building in Dewey Decimal Classification, Universal Decimal Classification, Colon Classification. 1st. Ess Ess, 1993.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..