APA (7th ed.) Zitazioa
Journal of the American College of Surgeons [J Am Coll Surg] NLMUID: 9431305.
Chicago Style (17th ed.) Zitazioa
Journal of the American College of Surgeons [J Am Coll Surg] NLMUID: 9431305.
MLA (9th ed.) Zitazioa
Journal of the American College of Surgeons [J Am Coll Surg] NLMUID: 9431305.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.