Shackelford, R. (1955). Surgery of the alimentary tract. Saunders Company.
Cita Chicago (17th ed.)Shackelford, Richard. Surgery of the Alimentary Tract. Philadelphia: Saunders Company, 1955.
Cita MLA (9th ed.)Shackelford, Richard. Surgery of the Alimentary Tract. Saunders Company, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.