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