APA aipamena

Guslandi, M. (1992). Helicobacter pylori and peptic ulcer recurrence.

Chicago Style aipamena

Guslandi, M. Helicobacter Pylori and Peptic Ulcer Recurrence. 1992.

MLA aipamena

Guslandi, M. Helicobacter Pylori and Peptic Ulcer Recurrence. 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.