Walton, J. (1985). Brain´s Diseases of the nervous System.
Cita Chicago (17th ed.)Walton, John. Brain´s Diseases of the Nervous System. 1985.
Cita MLA (9th ed.)Walton, John. Brain´s Diseases of the Nervous System. 1985.
Atenció: Aquestes cites poden no estar 100% correctes.