Towers, M. J. (1994). Pancreaticoduodenal artery aneurysm.
Chicago Style aipamenaTowers, M J. Pancreaticoduodenal Artery Aneurysm. 1994.
MLA aipamenaTowers, M J. Pancreaticoduodenal Artery Aneurysm. 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.