APA استشهاد

Nira Konar. (2016). Colon classification (6.). ESS ESS publication.

استشهاد بنمط شيكاغو

Nira Konar. Colon Classification. 6. New Delhi: ESS ESS publication, 2016.

MLA استشهاد

Nira Konar. Colon Classification. 6. ESS ESS publication, 2016.