एपीए उद्धरण

(1997). Gastrointestinal disease: An endoscopic approach: Vol.2. Cambridge, Massachusetts: Blackwell Science.

शिकागो स्टाइल उद्धरण

Gastrointestinal Disease: An Endoscopic Approach: Vol.2. Cambridge, Massachusetts: Blackwell Science, 1997.

एमएलए उद्धरण

Gastrointestinal Disease: An Endoscopic Approach: Vol.2. Cambridge, Massachusetts: Blackwell Science, 1997.