APA (7th ed.) Zitazioa
United European Gastroenterology. (2017). Alcohol and digestive cancers across Europe: Time for change. United European Gastroenterology.
Chicago Style (17th ed.) Zitazioa
United European Gastroenterology. Alcohol and Digestive Cancers Across Europe: Time for Change. Viena: United European Gastroenterology, 2017.
MLA (9th ed.) Zitazioa
United European Gastroenterology. Alcohol and Digestive Cancers Across Europe: Time for Change. United European Gastroenterology, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.