एपीए उद्धरण

Navalani K. (1981). Practical Guide to Colon Classification. Oxford University.

शिकागो स्टाइल उद्धरण

Navalani K. Practical Guide to Colon Classification. Delhi: Oxford University, 1981.

एमएलए उद्धरण

Navalani K. Practical Guide to Colon Classification. Oxford University, 1981.