Sehgal, R. (1993). Number Building in Dewey Decimal Classification,Universal Decimal Classification,Colon Classification. Ess Ess Publications.
استشهاد بنمط شيكاغوSehgal, R.L. Number Building in Dewey Decimal Classification,Universal Decimal Classification,Colon Classification. New Delhi: Ess Ess Publications, 1993.
MLA استشهادSehgal, R.L. Number Building in Dewey Decimal Classification,Universal Decimal Classification,Colon Classification. Ess Ess Publications, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.