एपीए उद्धरण

Nelsen, E. M., Hawes, R. H., & Iyer, P. G. (2012). Diagnosis and Management of Barrett’s Esophagus.

शिकागो स्टाइल उद्धरण

Nelsen, Eric M., Robert H. Hawes, और Prasad G. Iyer. Diagnosis and Management of Barrett’s Esophagus. 2012.

एमएलए उद्धरण

Nelsen, Eric M., Robert H. Hawes, और Prasad G. Iyer. Diagnosis and Management of Barrett’s Esophagus. 2012.