Young, W. B. (2011). Jefferson headache manual. Demos Medical.
Cita Chicago (17th ed.)Young, William B. Jefferson Headache Manual. New York: Demos Medical, 2011.
Cita MLA (9th ed.)Young, William B. Jefferson Headache Manual. Demos Medical, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.