APA استشهاد

R L Sehgal. (1996). An introduction to library network. Ess Ess.

استشهاد بنمط شيكاغو

R L Sehgal. An Introduction to Library Network. New Delhi: Ess Ess, 1996.

MLA استشهاد

R L Sehgal. An Introduction to Library Network. Ess Ess, 1996.