Greenberg, S. B. (1996). Physicians' desk reference (50a. ed.). Medical Economics Company.
Cita Chicago Style (17a ed.)Greenberg, Stephen B. Physicians' Desk Reference. 50a. ed. New Jersey: Medical Economics Company, 1996.
Cita MLA (9a ed.)Greenberg, Stephen B. Physicians' Desk Reference. 50a. ed. Medical Economics Company, 1996.
Precaución: Estas citas no son 100% exactas.