Endoscopy. Cambridge University Press.
Chicago Style aipamenaEndoscopy. Cambridge University Press.
MLA aipamenaEndoscopy. Cambridge University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
Endoscopy. Cambridge University Press.
Chicago Style aipamenaEndoscopy. Cambridge University Press.
MLA aipamenaEndoscopy. Cambridge University Press.