Shackelford, R. (1955). Surgery of the alimentary tract. Saunders Company.
Chicago Style aipamenaShackelford, Richard. Surgery of the Alimentary Tract. Philadelphia: Saunders Company, 1955.
MLA aipamenaShackelford, Richard. Surgery of the Alimentary Tract. Saunders Company, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.