APA aipamena

British Society of Gastroenterology. Frontline gastroenterology: Frontline Gastroenterol. London: BMJ Pub. Group.

Chicago Style aipamena

British Society of Gastroenterology. Frontline Gastroenterology: Frontline Gastroenterol. London: BMJ Pub. Group.

MLA aipamena

British Society of Gastroenterology. Frontline Gastroenterology: Frontline Gastroenterol. London: BMJ Pub. Group.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.