Pennington, J. (1989). Respiratory infections: Diagnosis and management (2nd ed.). Raven Press.
Cita Chicago Style (17a ed.)Pennington, James. Respiratory Infections: Diagnosis and Management. 2nd ed. New York: Raven Press, 1989.
Cita MLA (9a ed.)Pennington, James. Respiratory Infections: Diagnosis and Management. 2nd ed. Raven Press, 1989.
Precaución: Estas citas no son 100% exactas.