एपीए उद्धरण

Aspinall, R. J. (2002). Gastroenterology and liver disease. London: Mosby.

शिकागो स्टाइल उद्धरण

Aspinall, Richard J. Gastroenterology and Liver Disease. London: Mosby, 2002.

एमएलए उद्धरण

Aspinall, Richard J. Gastroenterology and Liver Disease. London: Mosby, 2002.