Porta, M. (2008). A dictonary of epidemiology (5th.). Oxford University.
Citación estilo ChicagoPorta, Miquel. A Dictonary of Epidemiology. 5th. New York: Oxford University, 2008.
Cita MLAPorta, Miquel. A Dictonary of Epidemiology. 5th. Oxford University, 2008.
Warning: These citations may not always be 100% accurate.