Gordis, L. (2000). Epidemiology (Second.). W.B. Saunders.
Cita Chicago (17th ed.)Gordis, Leon. Epidemiology. Second. New York: W.B. Saunders, 2000.
Cita MLA (8th ed.)Gordis, Leon. Epidemiology. Second. W.B. Saunders, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.