APA aipamena

Bakkevold, K. E. (2010). Time trends in incidence of peptic ulcer bleeding and associated risk factors in Norway 1985–2008. Dove Medical Press.

Chicago Style aipamena

Bakkevold, Kåre E. Time Trends in Incidence of Peptic Ulcer Bleeding and Associated Risk Factors in Norway 1985–2008. Dove Medical Press, 2010.

MLA aipamena

Bakkevold, Kåre E. Time Trends in Incidence of Peptic Ulcer Bleeding and Associated Risk Factors in Norway 1985–2008. Dove Medical Press, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.