Παραπομπή APA

Khanna, J., & Kapil, D. (1982). Colon classification. Ess Ess.

Παραπομπή Chicago Style

Khanna, J.K, και D.D Kapil. Colon Classification. New Delhi: Ess Ess, 1982.

Παραπομπή MLA

Khanna, J.K, και D.D Kapil. Colon Classification. Ess Ess, 1982.