Beers, M. H., & Berkow, R. (1950). The Merck manual of diagnosis and therapy. Merck.
Cita Chicago (17th ed.)Beers, Mark H., i Robert Berkow. The Merck Manual of Diagnosis and Therapy. Rahway, N.J.: Merck, 1950.
Cita MLA (8th ed.)Beers, Mark H., i Robert Berkow. The Merck Manual of Diagnosis and Therapy. Merck, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.